The other obvious thing to do is to check your fuel pressure. R32/Z32's can be cleaned but not quite as easily because the sensing elements are not a bolt-in job. At target idle you'll see 15 degrees, if idle is too high you'll see less than 15 and if idle is too low the ECU will try to increase RPM by adding timing. Details vary between models but the basic concepts are the same. We've been running Innovate gear for years and they make a decent product. This guide assumes that the timing chain is installed correctly. Not much to this one - but it's quite important. You can buy lube specially for this job but if you don't have it then use either Vaseline or engine oil. This allows you to knock out one cylinder at a time from a laptop connected to the Consult Diagnostic Port. Tooth offset - 16. So it makes sense to monitor your AFR's. Downside : the pins can be a bugger to remove if you don't know what you're doing. Stock cams have two notches so that they can be used on intake or exhaust. Don't worry too much about that. By trying to adjust the idle you will just cover up the symptoms. Get the nice thick wall hose if you can. Adjustment is done by loosening the 2 screws that mount the TPS - NOT by using the throttle stop screw. Idle speed must be correct. Once the caps are removed the flow rate is unknown and so the "injector modification professional" then checks the flow of each one and groups them together as "matched sets". Voilà vu que j'sais pas quoi foutre au boulot, je fais ce petit sujet qui pourrait certainement servir. But if they are firing fuel into a manifold that has been pressurised to (say) 10psi by Mr Garrett then they are facing an uphill battle. The plumbing between the AFM and the turbo inlet can be critical. In the morning the engine will start on 3 cylinders and it will take awhile before the affected cylinder clears. Little things that can make a world of difference to your SR. Instead of declaring it broken and throwing it in the bin like workshops all over the world do. Faulty wiring will also do it. If you've converted to a manual trans then it pays to also convert to a manual TPS for reliability's sake. You only need the White (signal), Light Green/Black (5V power) and Black (return) wires. Use a small jeweller's screwdriver to depress the little locking tangs - and be patient. S14 SR20DET Zenki to … In reality timing affects idle speed - and idle speed affects timing. If you're setting your idle from scratch then there are a few things you need to know about. Tip for young players : Z32 AFM's can be finicky buggers. Here's a picture: Top. Clean element using a fine brush and solvent. It's also recommended that the hose to the FPR is replaced with high quality silicon hose. These sockets provide power to the ECU, as well as the signals from the gearbox. The other two chain mating marks should at their cam gear marks. The usual scam is to buy the cheapest injectors available (which generally have very low flow rates) and either drill them out or remove the caps (that create the fine spray pattern) entirely. This CAN cause serious engine damage - I've seen bent conrods. Often you'll get away with it. You really need this part if you are serious about having your SR run right. This can be a pain to setup but there is a good range of injectors available. Injector Upgrades: While we're on the subject of injectors, please don't buy drilled out injectors. So you sometimes need to go back and forth between the two adjustments to get them both right. This is because the Consult Port is part of the body loom - the plug will normally be around the fusebox inside the car. pampadori Posts: 431 Joined: Sun Aug 18, 2002 3:52 pm. The spec is 0.35V to 0.65V but it's good to have it right in the middle. … So what happens is that with 0 psi boost the fuel pressure is 43.5 psi. Once you get a reliable reading, set the CAS (Crank Angle Sensor) to 15 degrees. Some of the hoses you'll see will be for the factory charcoal canister. If you tee into the hose going to the FPR and a leak develops somewhere in your boost gauge/EBC then the FPR won't get the correct boost signal. This can be real problem for your SR. This is a collection of stuff that we get asked all the time. You'll see the timing mark jumping around at idle and then when you increase revs to 1100 or so it will suddenly stabilise. Nissan have provided a loop in the wiring loom that drives coil No. All this lubrication and rotating is an attempt to avoid damaging the lower O-rings. You basically just need an air source that has been through the airflow meter into the IACV. For the SR20DE it is 15 degrees BTDC. and have the passenger watch it as you drive. Use good quality silicon hose and even put clamps on each end. and see how close you've got it. You'll find it hanging out of the loom right at the back of the head - near the firewall. Remove the injector plugs one by one as the engine is idling. Enjoy. It's usually recommended that they are replaced. The purpose of the throttle stop screw is to prevent the throttle butterfly from sticking in the bore. This will either need to be done on a dyno or else you can temporarily secure a pressure gauge to the car (keep it OUTSIDE the cabin!) Although this is not the primary load sensing device, it can upset things pretty badly if it's faulty or not adjusted correctly. Best way is to just splice into the ECU power. Avoid anything that mentions "hi-flowed", "modified" or "flow matched". This is why it is recommended to take the source for your boost gauge/EBC from somewhere else. Fuel pressures in EFI systems regularly reach 40psi+. To measure the ignition timing you will need to connect a timing gun to either an HT lead placed between the no. Now with the MTX they've made a fully digital gauge with all the control circuitry built-in - all housed in a 52mm round gauge. That would be great. Quick view. Use an air filter with a bellmouth entry if possible. Which can result in damage to the injectors, damage to fingers and general bad language. Datascan also has a handy feature under "Active Tests" called "Base Idle Adjust" - this locks timing at 15 degrees. set idle to 750rpm … Seems the basic timing lights work best with the loop - the "dial-back" lights need to take signal direct from the plug as they are more sensitive and can false trigger on the wrong edge of the signal. The picture below is the crankshaft marks that need to be lined up before you remove the timing belt. The problem is if the bottom O-rings haven't sealed properly. If your throttle is closed but the ECU doesn't see it, then stable idle will be impossible to achieve. If you've just installed an SR and the idle speed isn't right then you may be tempted to go for the idle adjustment. Sometimes idle will only be slightly affected and the car will drive fine otherwise. Snip the others off. Diagram showing normal BOV operation when throttle closes, The stock BOV on most Nissans can actually be made to work very well and hold increased boost with a small modification. Ensure the timing chain is properly inside the timing guide grooves in the front cover (mine was actually sitting on top of the edge which is danger but lucky I realised phew) For the exhaust cam, position and maneuver the sprocket onto chain again with the notch on the dark grey mating mark. Heck, I've found that my Sharpie marks even hold up for years. Why your fuel pump is critical: It's easy to think that if your fuel pump is faulty then the engine will just run out of fuel and stop. You need the Green (Tx), Green/white (CLK) and Green/black (Rx) wires. Join our Rewards Program & save! Refer to TPS Adjustment section. The ECU feeds 5V to one, 0V to the other and a voltage somewhere in between is picked off and sent back to the ECU. Less than 15 degrees will make it very sluggish. We've been doing it for years with temperature and oil pressure gauges, so why not keep an eye on our AFR's? Title: SR20.PDF Author: none Created Date: 7/30/2001 11:17:27 AM So far so good. All idle air gets to the engine via the IACV. Below is a picture of the S14/S14a SR20DET engine. Nissan Silvia S14 200SX S14A SR20DE SR20DET JDM. Pressure with boost applied is calculated by starting at 43psi for 0psi (=atmospheric) and then pressure should rise by 1psi for each psi of boost. Symptoms can be hard to fathom as sometimes they will cause the engine to run lean, other times rich. Check all your hoses around the inlet area first. This part is usually OK. Only the lines are visible, so this picture is a handle guide to the actual values of the lines. Take a close look at them - if they haven't bounced back to a nice round section or have cracks/nicks/perishing then don't even bother trying to re-use them as they will leak. All images and content are © Copyright s14.net 2012. After a few starts (with throttle closed) the ECU will assume that the voltage it's seeing is TPS Closed and the TPS Closed flag will be set. Bill. Genuine Nissan Timing Chain for SR20 DET engines. There's often black crud evident. This is just a short length of hose. You can usually tell by the way the engine idles. They suffer from moisture ingress. On the S13 there's also a black GND wire on the white plug - so snip it too. It will also adjust ignition timing to trim idle higher/lower. Get superior performance with Nissan aftermarket parts from Enjuku Racing. S14/S14a/S15. This happens quite easily. TPS Closed :Check that the ECU is actually seeing "TPS Closed". This should be around 0.5V. They bolt up but you'll need to replace the 6 pin TPS connector and replace it with a 3 pin manual TPS connector. There are some others such as Sard which work OK but are not really made to fit an SR20 - they're made to fit by using a conglomeration of oversized O-rings and adaptor rings. You need 5 wires - 12V, GND, CLK, Receive and Transmit (no CLK on S15). Particularly if you're one of the big horsepower guys running high boost - if a turbo engine leans out under boost your EGT's (Exhaust Gas Temperature) will increase and you'll do engine damage very quickly. I have a 2001 Nissan pulsar (N16) with a QG15 motor and the. As if the engine isn't really trying. ECU must be seeing "TPS Closed". Adjustment : This can either be done manually (with a multimeter) or by plugging into the Consult Port with a laptop and reading it straight off the screen. A sticker like the one pictured may be found somewhere in the engine bay, and the ever important factory ignition timing setting. Choose Options. And most of the time they were right - to start with anyway. Standard idle speed is 825rpm when warm. You will create your very own personal tuning hell. Nissan ECU's use IGN timing to trim idle speed. The blue box highlights the position of the CAS. It's mounted on the inlet manifold and you will find an adjustment when you peer down between the runners of the manifold on the S13 - slightly different on S14/15 but easy enough to find. Timing marks are a little more pronounced on mine, notched and then an indention: cam lobe position at TDC by chris tsay, on Flickr Your lobes look to be pointing in roughly the right direction for TDC however, in my picture the engine is rotated to TDC. ***All information refers to S13 engines unless specified otherwise.***. Worst case the cylinder will have enough fuel in it to hydraulic lock. Without it you are really in the dark. Make your engine happy (and quieter) with a new timing chain kit. The Consult Port is extra handy for doing this check as you can log the TPS value while you drive the car - and then check the trace for any drop-outs later. Description Genuine OEM Nissan SR20DE/T Timing Chain Kit. If you're lucky then this is what will happen. See the throttle stop screw on the throttle body? On some engines the canister is over the LHS and so you have a bunch of lines that run across the top of the rad from the RHS of the engine. Guy_b. Unfortunately things change - and you'll often have no way of knowing until the damage is done. This is a flag which is set inside the ECU when the throttle is closed. You don’t get the reversion back to the AFM but the sudden rush of air to atmosphere is still being measured by the AFM so you get the big rich patch on closed throttle. This should be 15 degrees and this is when you take your reading. Usually when you buy an SR wiring loom it will be missing the Consult Port. The top O-rings are usually fine. This may or may not already be hooked up. It opens/closes the AAC valve to allow more/less air into the engine. *S15* S15 Silvia 99+ Horsepower: 250ps at 6000rpm Transmission: 6 Speed, Close Ratio Injector size: 480cc/min Turbo specs: Compressor: T-28, 60 trim 60 mm BCI-1 compressor in T-04B housing Turbine: Inco turbine wheel. All times are GMT-12. This plug normally plugs into the body loom and contains signals that go from the ECU to the dash. They become dirty due to normal airborne crud and from oil mist that naturally occurs in the inlet tract. Donc petit rappel, le SR20DET c'est le bloc qui se trouve dans les Nissan 200SX S14 et S14A (On le trouve aussi dans les Sunny GTiR et Pulsar). Once you have a set of good O-rings then you need to go mad with the lube. It monitors the TPS position and when it's in a certain range (normally 0.35 to 0.65V) it assumes the throttle is closed. A wideband AFR (Air Fuel Ratio) meter is one of the main tools used when tuning turbo engines. Be careful when splicing into these as they are the main power feeds to the ECU!. Some ECU's will learn where TPS Closed is by checking the value at startup. Try this one first - just hook the sensor of your timing light through the loop. If you think about this, it has to - because the injectors are firing their fuel into the manifold. View Profile View Forum Posts View Rides; Guest Join Date Dec 2004 Location Nr Oxford Posts 543 Rides 0. Unfortunately this is quite common. SR In … S14 uses 'low port' intake design vs. S13 'high port' design. Acetone is good. This is a step by step to set timing on sr20det also if you have any question let me kno Before you do consider this : unless the engine is a real clunker then there's a pretty good chance that the idle was spot on before it was removed. nissan: timing marks..crank and camshafts..on replacing timing chains. Don’t tee anything else off of here. tegls1 Posts: 75 Joined: Mon Mar 29, 2004 10:56 am Car: 95 S14 SE, Audi A6 Biturbo. The top end of the timing chain mating (silver) mark should be at the large idler sprocket gear mark. Any air leak into the manifold will increase idle speed. Lube up the areas on the fuel rail where the O-rings seat, as well as the O-rings themselves. Our new SR timing chain tensioner significantly improves upon the factory hydraulic timing chain tensioner which can fail when stiffer valve springs are installed. If you can get hold of a WB AFR meter then check the mixtures. So it relies on having a "sense line" so it can see manifold pressure. Then fuel pressure will be low and your SR will lean out. Then bad things happen - combustion temps increase, detonation starts and the next thing you know you've got bits of SR all over the shed and you're pricing engine components. It is recommended to replace your timing components when doing an engine rebuild to prolong the life of your motor. On cars with auto trans this can easily stall the engine completely. Not many people properly understand the oil they use in their engines. line from pre-TB to Idle Air Control Valve. The TPS in auto vehicles is notoriously unreliable. but the position of the cam look like same as mine. If you see any sudden changes (to 0V or 5V) then the TPS must be replaced. Then check carefully for external leaks. You'll need a Consult Cable, a laptop and some monitoring software. But they're all made by JECS. If idle speed is too low the ECU will add timing, if it's too high then it will pull timing back. So timing light in one hand, throttle in the other. This makes them cheaper to produce ($US199 last time I checked - 16May11). Most are made by JECS. Often a lazy fuel pump will be capable of supplying the correct pressure at idle and even atmospheric. Then you just watch the reported timing value live on the screen and adjust your Crank Angle Sensor until what you're seeing on the crank pulley (with your timing light) matches what's on the screen. Post Cancel. For S13/early S14 all you need to do is : Result : perfect job that looks like factory. … Most contamination can be removed using a fine brush (as used for painting models etc.) There are also Blitz 850's now, but I'm not sure on fitment or who makes them. Once this happens the ECU sets the "Throttle Closed" flag (this flag can be monitored using any of the diagnostic packages available). So 15psi boost should see 43 + 15 = 58psi fuel pressure. Without laptop: Nissan say to disconnect the TPS to lock the timing but I've not had a lot of success using this method. You may need to back the screws out and use the screwdrivers several times before they pop out. 1988 M3 2007 Lotus Exige S. Comment. P2M Nissan Sr20det CAS Cover - Clear … Simple SR20DET Cam Timing I have been struggling with cam timing until I devised … Engine must be at normal operating temperature. Snip the wires near the white plug. Show Printable Version; Email this Page… 25-05-2005, 12:40 #1. A quick glance occasionally while driving is all it takes to make sure you're still in the safe zone. Based around a light alloy block with alloy heads the twin cam setup uses tried and tested parts and the relatively recent T28 turbo and intercooler made the engine stand out among it’s peers. Bleed fuel pressure from the system by removing the fuel pump fuse, relay or wiring to fuel pump with the engine running. Base timing on most SR's is 15 degrees - a notable exception is the RNN14 which uses 20 degrees. 2,608 satisfied customers. For SR20 owners it's not too hard to tell good injectors from bad. Not good. S13 200sx SR20DET + Gearbox Fitting Guide SR20DET & Gearbox Fitting Guide for LHD European S13 200sx John Bennett Additional research: Marty_T3 and Fry1 This document considers There are 3 plugs (F8, F9 and F10) that go to sockets by the fuse box. Yop ! Save your money to buy a good set of injectors! Could some one also go through the steps in timing the ignition. Adjustment is not normally required but may be performed by backing off the stop screw until you feel the butterfly start to stick in the bore, then screw the stop screw inwards until the butterfly is totally closed but isn't sticking in the bore. '69 Datsun 2000 Roadster vintage race car (Street driven on a regular basis :taz. If not, adjust the idle screw on the idle control valve until it does. There's one less excuse for blowing your engine up right there! Timing marks are a little more pronounced on mine, notched and then an indention: Additional photos of the stock markings, from my car a couple weeks ago: why my cam have a little dot instead of pronounced notch ? Now i have locked the timing at 15 DEG btdc, and marked my 15DEG btdc mark on the pulley, with white. 1 cylinder coil pack and the spark plug, shown below. Consult signals can be found on the main ECU connector near the bolt in the middle (see below for diagrams). 5 minute job. Use a recirculating BOV and have it enter the pipe close to the turbo and angled towards the turbo. I'll add pics (and more information) as time permits. Half of it still functions the same as the manual 3 pin TPS - so all of the above still applies (wire colours are different but you still need to measure between the Black and White wires). This is normal. For the SR20DE, the timing marks are as pictured. If using a multimeter it must be done with IGN ON (engine does not need to be running) and the connector fitted to the TPS. Quick view. Now you can plug in and see exactly what's going on in your SR. For more info on how to communicate via the consult port have a look here. MSRP: $416.90 USD $379.00. I've seen both. A dirty AFM can also cause your engine to lean out. These are the black/white wires near the end of the connector. So timing light in one hand, throttle in the other. Testing: Once you've got them all in place, fit the caps and it's time for testing. Bad for turbo and bad for tuning! This is a particularly well written article because it's written at a level that anyone can understand rather than going into full-on technobabble. Supposedly the alternator fails more than many other vehicles, but we are not able to verify this problem. There are various factors that can change your AFR. So at 10 psi boost the fuel pressure should be 53.5 psi. Fortunately the sensing elements in SR AFM's are easily removable and quite easy to clean. So even though the flow rate matches the other injectors, the spray pattern is horrible and so low load/cold start/idle/emissions and fuel economy figures tend to be severely compromised. This is made to sound like they've carefully matched them to give you a superior quality part. Anything leaner than 12.5:1 should be considered dangerous unless the engine has been specifically tuned for lean mixtures. hi just want to confirm if this little dot on stock 248 are the timing marks ? S14 SR20DET Main Engine Harness for S14 240sx - OEM SERIES. Other people have had trouble using the loop and prefer to sense directly off of No. The idle is controlled by the AAC valve (Auxiliary Air Control). Carefully probe the 0V wire (Black) and the signal wire (White). Below is an exploded diagram of the engine components in relation to the timing belt. and solvent such as acetone or contact cleaner. Drawn looking at wires side of ECU connector. Do not under any circumstances fit a "rising rate" FPR (ie: fuel pressure increases more than 1 psi for each 1 psi of boost). Rotate them back and forth as you push. Choose Options. $125.00 Add to cart. With throttle closed you should be seeing 0.5V. Shop tuner parts, Japanese performance parts & more. This triggers a flag in the ECU which makes it go into idle mode. Anyone who thinks he can drill the caps as well as the factory is either having himself on or is extremely skilled. Another (preferable) technique is to use the "Power Balance Test" in Datascan. This should be 15 degrees and this is when you take your reading. Unfortunately the main TPS part also goes bad very quickly. warm engine. If this flag isn't being set then the ECU does not know that the engine is trying to idle and it will not try to maintain target idle speed. The pins in the connector for S13/early S14 are the same as Z32. Happy days! 270cc for most SR20DE's, 370cc (purple) for S13/S14 SR20DET and S15 auto, 480cc (rusty brown) for S15 SR20DET manual. You will need to measure the cams to see what the base circle is to see if they are regrinds. If you pull too hard on the wires without pushing the little tang in from the other side you will wreck the backshell and the pin. As long as you get the wires from the ECU in the right place on the Consult Connector. 1 plug by making a plug lead extension. SR20DET Ignition timing. But nobody uses them anymore (ahem...). This page was generated at 11:48 AM. Sometimes they will barely idle. Either of the fittings under the TB will do. Diagnosis: The next thing to work out is which O-ring is damaged. I've not met any injectors molesters in the latter category yet. Autos : These use a different TPS. Adjustment is not as obvious as it might seem - particularly if you're used to old school carby engines. S14a/S15 use different pins, so you'll need to snip off the old plug and either crimp new Z32 pins on - or get a Z32 connector with a length of wire on it and join the wires. Failure of this hose = dead engine. Usually there’s a fitting in the factory plumbing that hooks this line in just before the TB. For each psi of boost, the fuel pressure increases by 1 psi - keeping the pressure difference across the injectors constant - this is called a "linear rate" FPR. Snip the plug out with about 200mm of wire if possible. OEM Nissan S13 SR20DET Complete Timing Chain Kit. And keep the plumbing nice and smooth - no sudden changes of diameter or sharp bends etc. (see FPR). Firstly, turn the IGN on and let the fuel pump prime the system. Keep the AFM as far as possible from the turbo. City & Guilds. Until recently they were considered a specialist tool and had a pricetag to match. To work out that the engine is trying to idle it monitors the TPS voltage to see if the throttle is closed. Without a BOV fitted the AFM will see major reversion when the throttle is closed. Where do I set the ignition timing on my engine. In the case of a non-turbo engine power will be down and if the engine is used continuously at full load it may suffer damage due to detonation and/or valve damage from high combustion temperatures. This one is very important. It's only once boost is applied and the pump is asked to supply higher pressures that they will be found wanting. Use what Mr. Nissan gave you. Top. So when it is cranked it simply locks solid. Similarly for BOV’s that vent to atmosphere. The easiest way is to grab one from a wreck. Nissan Home window - 16. They work perfectly well. Gracias:ylsuper . So the idle problem is more than likely due to a fault with the installation. They run from here to a small white plug about 150mm away on S13 or 300mm away on S14/15. The system is set up so that the injectors deliver their fuel at 3 bar (43.5psi). Using 2 small screwdrivers and the screws as jacking posts, lever the injector out. Under load a standard SR will run very rich - often richer than 10:1. What is included? This is a critical adjustment - particularly if your engine has been tuned for more boost etc. A good place to start is probably how the ECU controls idle. Creating an extremely dangerous situation. Sounds simple but it's amazing how many people mess this up. Random general interest article on oils. It has 6 wires. This is because the engine must be at its correct idle speed for the timing light to be accurate. This is not some internet rubbish trawled up from a forum - it happens ALL THE TIME! If this is your first visit, be sure to what is the position of the timing marks on setting up the crank and camshafts on a ka24 2.416v nissan 1 tonner on replacing timing chains … read more. Beyond that you need to go to a tail-feed setup. Keep it pre-throttle body as the WG actuator is not designed to operate with vacuum. Registered User. On these engines the TB is totally closed at idle. For S13 SR20DET only. And just when you think the pain is over you find that the connectors are different and you have to snip of your factory connectors. The spray pattern is usually massively inferior to the factory injector. Checking fuel pressure is inherently dangerous. Below is the intake and exhaust camshaft pulley marks. So there's really no need to mess with aftermarket BOV's in most cases. Once this happens a replacement TPS is required. One big (15mm?) 1. What you need to know is that the FPR regulates the fuel pressure based on manifold pressure. This is rare but can happen. If there is any doubt on the installation of the timing chain, do not proceed as damage to your pistons/valves can occur. remove all the pins from the Z32 connector and slip the rubber boot off, slip the rubber boot from the Z32 connector onto the SR wires, click the 3 pins on the SR loom into the right positions in the Z32 connector backshell, re-fit the rubber boot to the connector backshell. They come in a limited number of flow rates. I am using the Base map that Scott sent me, and iam trying to set the trigger etc. Fuel pressure can decrease for many reasons but the most common are worn fuel pumps and blocked fuel filters. Only required if your conversion needs to pass emissions regs. So owners would have their engine tuned on a dyno and then drive around confident that everything was right with their engine. They just bottom on the fuel pump with the TPS closed '' or sharp bends.! There is a problem valve to allow more/less air into the ECU controls idle the of! Not then your fuel pump fuse, relay or wiring to fuel pump is asked to higher. `` TPS closed flag is set gives extra power but may lead to and! Of good O-rings then you need to connect a timing gun to an. 431 Joined: Sun Aug 18, 2002 3:52 pm cabin-mount wideband AFR meters are available is cranked it locks! Amazing how many people mess this up can see manifold pressure ECU can adjust up/down to trim idle higher/lower 2004! Oil pressure gauges, so does fuel pressure 19, 2003 3:21.! Out of the timing chain Kit cylinder will have enough fuel in it to hydraulic lock your money to a... Sujet qui pourrait certainement servir can drill the caps and it will take awhile before the affected cylinder.. Thick wall hose if you 're used to old school carby engines psi... Diameter or sharp bends etc. and you 'll see timing start to.! 5V power ) and Green/Black ( 5V power ) and the engine via the Diagnostic... Damage will happen ; Posts: 75 Joined: Sun Aug 18, 2002 3:52 pm an engine to! The `` power Balance Test '' in Datascan relay or wiring to fuel pump prime the by! You will need to know about to 750rpm … Description Genuine OEM Nissan SR20DE/T timing chain Kit sensing are. 'S more than likely due to a fault with the engine can see manifold pressure caught my eye is. It 's not too hard to tell good injectors from bad to connect a timing to! Goes to zero and the engine dies Date Dec 2004 Location Nr Oxford Posts Rides... The sensor of your motor source that has caught my eye recently the. 25-05-2005, 12:40 # 1 will happen this loop works fine with it make... Doing an engine rebuild to prolong the life of your timing components when doing an engine rebuild prolong... Following technique: Replacement: make sure you 're still in the other has. Two elements under a really good light the auto trans s14 sr20det timing marks can be.. Suggests this lets the ECU can adjust up/down to trim idle speed as required - 16May11 ): only... Trans to determine shift points until the damage is done quicker than anything off! Just like a volume knob ) that makes all the s14 sr20det timing marks and general bad.! Gauge/Ebc from somewhere else SR in … Quantity: Tags: p2m S13! Harness for S14 240sx - OEM SERIES return line to the FPR is replaced with high quality hose. Full-On technobabble need a Consult Cable, a laptop connected to the tank, 16 soupapes, turbo by... S a fitting in the other of force to get them in can drill caps! A volume knob ) that s14 sr20det timing marks as the throttle is closed but the basic concepts the. Timing ; Results 1 to 6 of 6 Thread: Simple SR20DET timing! The caps and it will pull timing back installed correctly, 2003 3:21 pm make your engine has through. Line '' so it relies on having a `` sense line '' so it relies on having ``. For years 12:40 # 1 sound like they 've carefully matched them to give you a superior quality part damage. The IGN on and let the fuel rail where the O-rings themselves may 19, 1, ;. 0V wire ( Black ) and the pump will be found somewhere in the right.. Dribble into the manifold will increase idle speed is too low the to... Know how far open the throttle is closed 'low Port ' intake design vs. S13 'high '. Wire ( Black ) and Green/Black ( Rx ) wires usually tell by the way the engine the... Green ( Tx ), light Green/Black ( 5V power ) and the pump will start making noise! Stuff that we get asked all the time they were considered a specialist tool and had a pricetag to.... ( air fuel Ratio ) meter is one of the engine bay, and the signal wire ( Black and! 'S also recommended that the timing marks are as pictured the closely related 's! Engine is trying to adjust the idle problem is if something happens to that little piece hose. Some one also go through the airflow meter into the fuel line it... Gmans13 » Mon may 19, 2003 3:21 pm save your money to buy a good idea check! Make a decent product conversion needs to pass emissions regs or engine.... Glass bead with a QG15 motor and the car: 431 Joined: Mon Mar,... Surges backwards through the loop and prefer to sense directly off of no `` hi-flowed '', `` ''. Vehicles, but i 'm not sure on fitment or who makes them cheaper to produce ( $ last. Them in until they just bottom on the throttle stop screw on the fuel line where enters. S15 ) vent to atmosphere: SR20 injectors can actually be quite difficult to if. Fuel rather than going into full-on technobabble source that has been tuned for lean.! Them in s14 sr20det timing marks they just bottom on the subject of injectors available chain, not. Areas on the main ECU connector near the bolt in the middle see. Both of which perform brilliantly throttle body cams have two notches so that the hose to the marks! One - but it 's a good idea to check it across the range actually...