Fuel Injector Wiring Harness Problem

91 GT 24000 original miles (owned since new); GT40 intake (the real one); GT40 Y heads; Cobra 1. I originally was all ready to send the ECM off for repair but then I did the tests to check whether the constant ground signal was due to possible wiring short to ground and now am only more confused by the results of the test. When I installed the injectors I took the level of care I always have with O rings and installing them. Unplug the electrical connector from the fuel injector you want to test. Type C Top Release with Long Body. 02V We assume this is normal.

Fuel injector wiring harness problem causes
Fuel injector wiring harness problem solution
Fuel injector wiring harness problem how to

Fuel Injector Wiring Harness Problem Causes

When I do these I usually pull the base and replace all 3 harness's together to ensure a trouble free repair. You simply hook up the two connectors to their intended locations and attach the ground wire. This SHOULD isolate the wire. The locking tab width is smaller in Type A. Nippon / Denso Style Male Fuel Injector Connector Kit. We use cookies to improve your experience on this website and so that ads you see online can be tailored to your online browsing interests. A short in the wiring to the injector can burn out the fuel injector driver in the PCM. Carb is an 850 Holley. The current categorisation is that a turbocharger is powered by the kinetic energy of the exhaust gasses.. first generation of the Nissan Sentra was introduced in the United States in May 1982 as a direct replacement for the Datsun 210.

We've changed out vibration dampeners, installed new clutches and flywheels (to insure no additional vibration is wearing away on these)sically everything that has been suggested could be the problem. The issue is the same with both except one of the PCMs allows fuel spray without cranking and one doesnt. If the throttle position becomes less than 80%, the PCM returns to the starting mode. Joined: Tue Dec 14, 2004 7:15 am. There are several ways to troubleshoot a vehicle's injector problem, three of these ways are described below. Change out the very very cheap pressure regulators. I had a momentary (1-2 secs) good noid light once but no light now. Solid wires cludes wiring for the fuel injectors, ignition system, and sensors.... Do the injector ground wire continuity tests with all connectors unplugged. This includes checking for any loose connections, physical damage to the wiring, or any corroded connectors.

Codes I was able to pull were 111, 114, 116 and ground wire is a different color on the 8 individual injectors. This may require sliding a lock open in some cases. You say there are no shorts in the harnesses, but did you check for shorts to ground at the PCM injector driver pins? Any help would be appreciated as the Viano is now in the garage and I fear the only solution would be a replaced injector loom - and that might/will be very costly. Available in three versions: Type D, E, and F. USCAR Style ( EV6) Female Fuel Injector Connector Kit. Any ideas on injector wiring?

Fuel Injector Wiring Harness Problem Solution

5) Use A Volt Meter To Find An Ignition Power Source: When wiring fuel injection, you'll need to find a switched ignition power source. The situation is exactly the same when it comes to the wiring in the car. Not Allowed: to reply. Clamping a timing light over those spark wires gave no flash and I heard a clicking inside the coil pack. Continuity to engine ground existed on ALL the injector plug ground terminals whether the ECM was connected or not. Also, EFI is more efficient and has in time become a better replacement. Step 2: Set up DVOM to measure DC voltage. While this may seem to cost more than DIY, it is worth getting a professional's opinion. For example, whichever injector connector #4 is conected to will pulse while the rest will spray steady. The following are steps to take when testing your fuel injector wiring for faults. Its throwing a code for a cylinder 5 misfire. A higher reading means there is low resistance in the fuel injector wiring harness.

Let's check it that way.... However, as soon as I accelerate it runs smooth until its at idle again. They are typically secured by bolts and can be removed with a basic socket set including an extension. Still looks almost new. I just hate cutting wires, but I appreciate and I like your suggestion as it likely is the only conclusive test for ground short in the wiring harness unless there is something else going on, given the weird test results I've gotten. The effect of this problem is usually significant on the performance of the vehicle. The entire fuel pump system consists of a cut-to-length power wire and connector for the fuel pump on one.., we fixed the voltage problem, there was a short in the power wire for that injector and the connection back in the harness was pretty ****ty too. If your engine is running rough, there may be an issue with the vehicle's fuel delivery system. If you don't get it, the injector isn't being fuel pump supplies it with pressurized fuel. Ans: The problem may be a blown injector circuit fuse or a fault in the wiring harness to the injector or a bad fuel injector power relay. Re: no noid light but the injectors are squirting?

Using a multimeter will help in troubleshooting the wiring system of your vehicle's fuel injector harness. Probably at the back of the cylinder head or thereabouts. Long time sufferer of chronic, repetitive cerebral flatulence. I got all 4 injectors new off Amazon for 85. The other wire is the 'negative' pulse that actually fires the injector. If it breaks, then fuel can leak out, over the scription: 1992-1994 2. Turn the ignition switch to the ON position. The other was a bad coil pack. Code 72 suggests you have an issue with cylinder 1 or 2. the return wires are all separate for each but the signal wires do 2 injectors each.

Fuel Injector Wiring Harness Problem How To

Trademark Application Number is a unique ID to identify theBlack-Orange is injector power, as you already found out. This is all started with a code for P0300, and a code for a TPS which I repaired. Regulating the fuel involves carefully maintaining the ratio of fuel and air introduced into the engine. Hopefully, these tests have allowed you to find the issue with your fuel injectors; but, as mentioned before, it may not be an electrical problem that is causing the injector to malfunction. It looks like the wire goes to 4 different places?

After getting it back together I realized that I was getting a misfire condition when I touched or wiggled the injector wiring rail. 65invader Registered Joined Jul 27, 2011 29 Posts trinity college football highlights Search: Ls6 454 …Connect the red test lead to one of the injector wires and the black crocodile lead to the chassis ground. Arm yourself, well, before going to do battle. They have ran in to 2 or 3 sleds with these issues so far. Fema treas 310 misc pay on bank statementIrving Automobile Store has All Kinds of Voltmeter Power Detector Antifreeze Wire Alligator Clip Voltage Circuit Tester Easy Operation Multifunction for Car Auto Tools, 2.

The other should read around 12 volts. 0L Laser Blue Pearl stock. You can use the car frame to ground the meter (use an unpainted side). If any tear or wiring exposure is found, you should order a new harness and replace it.

Here is the whole story with this money pit of an issue I am in. Hi - I hope someone can help - I have a problem with my 2006 Viano Diesel injector wiring. The model was initially imported from Japan, where it was produced at Zama plant. Connect one end of another jumper wire (16 gauge or smaller), to the power side of the 12-volt power 2, 2007 · DSM Wiseman. I notice on ebay that there are some injector plugs for sale with long leads pre-soldered onto the plugs - is it possible to re-route the wiring for the injector direct to where ever the lead goes to??