If so, where does the wiring for the injector go to?? A higher reading means there is low resistance in the fuel injector wiring harness. The wiring harness has two parts; one is grounded and has a volt charge of 0. No shorts, with a confirmed good body ground.
2002 Chevrolet TrailBlazer LS 4WD SPORT UTILITY 4-DR - 6594095656. Sent from my SM-G928P using Tapatalk. G Wagen 460 280GLE 1985 - Petrol (110) - 5 door. 6L Engine Motor Fuel Injector Wire Wiring Harness 14-19 * in großer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung für viele Artikel! Exposure of these wires interferes with the transmission of information through the car's computer, and this may cause certain automated functions to fail. Repeat these steps on the other harness terminals and monitor the difference in volts. The vehicle's frame is usually connected to the ground source. They have ran in to 2 or 3 sleds with these issues so far. I'm thinking to cut corners, the O rings supplied with the injectors are ill-fitting and of very cheap quality. Fuel injector wiring harness problem report. This may require sliding a lock open in some cases. If I can, do I need to make special allowances for the potentially high-heat environment? 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.
Loading... - Similar Threads - Fuel injector wiring. All seems well, but I think I would feel a little better replacing off some of the wiring connectors. Wondered if the short was intermittent based on position of the connector) This time with KEY ON OR OFF, the meter read shorts to the ground side of the injector harnesses. Where are all the fuel injectors getting their continuity to ground and why would the Fuel Pump Relay affect the results when the Fuel Pump Relay is only supposed to provide + power to the injectors? The green wire going to #2 is hot, and has 13. Fuel Injector Wiring Harness Problem - How to Detect and Repair. Just snap the new metal terminals / pins into a brand new nylon fuel injector connector / plug body. And the positive suplly (green/orange) run to almost every gadjet under the hood... anyways I plan to follow the advice and try my PCMs in another neon sometime tonight and see what happens. This is on a 2008 Chevy Impala, 3. YourMechanic's technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM.
This is my brain on Neon! Change out the very very cheap pressure regulators. There is no light when the ignition key to only on position. This, in turn, causes the fuel to not burn completely and will create a misfire. We're trying to plug a hole in the universe, what are you doing?. Above post updated as promised. • Also known as Bosch Style EV1 Female to EV6 Male Adapter. Reasons Behind Wiring Harness Failure in Volkswagens. Both are C15 Acert's and we've swapped injectors & injector harnesses multiple times. With power off, unplug the harness from the injector and check the resistance of the pin on the harness (not on the injector) that the ground seeking wire is attached to and a nearby ground. The problem still is their - not firing on No1 injector and the fault shows as No1 injector with open circuit. Disconnecting cyl4 injector and running engine eliminated the smokefrom exhaust and car ran ok but only on 3 cylinders. Though I think I need an oil change, when I rev the engine I hear a nasty grinding sound... Three months without my truck, replacing Spark Plugs, Plug wires, Distributer cap, and having my injectors cleaned, and it was a damn bad wire.
A broken connector will not seal the contacts properly, and will let moisture in, eventually causing corrosion on the metal terminals. Now, I'm no electrical expert, but I'm pushing 50 and I use to rebuild hydraulic cylinders a couple times a week when I worked for a logging company for many years. Low reading in any of the terminals means there is high resistance in the wiring somewhere. Or the 5 pin connector has an issue? 8T cabriolet (58000miles) began to run rough with whitish smoke with gas smell being blown out of the exhaust. LEARN MORESEE PRICING & SCHEDULING. And each injector ground wire must be hooked up to the correct location on the pcm connector for it to open at the right time. Ill letcha know what i find out.. A wiring harness failure can have a huge impact on the entire car, as many of the Volkswagen's functions are now automated, especially in the recent models. Clamping a timing light over those spark wires gave no flash and I heard a clicking inside the coil pack. Fuel injector wiring harness problem how to. 7RRs; 70mm TB; 75mm ProM; 30lbers; full exhaust; Vortech A... 14.
They have been mentioned several times already, but they are not the problem with my car. Swapping injectors made no difference and when engine was cranked verified injector on cyl4 was staying open. Left injectors 2 and 3 plugged in, and checked for shorts at ECM harness plugs. I'm beginning to think that AUdi manufactured a wiring harness that isn't what it should be according to the schematics.. Technically, according to the wiring diagram, the ground wires from the injector plugs should be uninterrupted going directly to the ECM. How to Ensure Fuel Injectors Are Receiving the Correct Voltage | YourMechanic Advice. Many service manuals specify to lube the injector o-rings with engine oil... not sure if this applies to your engine, though. Even if as mentioned ive had the fuel pump fuse removed this entire time?
If you don't get it, the injector isn't being pulsed. You don't need to start the engine. I have learned more by being wrong, than I have by being right. Discussion Starter · #1 · Apr 2, 2021. The injector itself doesn't care which terminal is positive and which is negative. From the beginning, I've been visualizing the wrong type of injector for this application.
The fuel injection wiring harness provides power to the injectors and the oxygen sensor, which determines how much fuel is needed for maximum efficiency. 98 Sport Coupe DOHC Alpine Green ATX stock. 8L injection harness repair (post #14) has held well 2. Realized I was mistakenly testing for short before on the non signal wire. 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. Your main requirement for this test is a Multimeter with ohms setting but can substitute a digital Volt-Ohmmeter if available. I did have 2 other engine stumbling problems since. Fuel injector wiring harness problem 1. Users browsing this forum: No registered users and 0 guests.
I got it back together as tight as I could and didn't have any misfiring. Joined: Tue Dec 14, 2004 7:15 am. Type C Top Release with Long Body. It uses this energy to compress the intake gas, forcing more air into the engine in order to produce more power for a given displacement.. They can clog up, which will decrease the spray inside the cylinder. One of the wires will be black with a colored stripe and the other wire is either yellow w/stripe or blue w/stripe. Arm yourself, well, before going to do battle. A wiring harness is an assembly of cables in which wires that transmit this electrical energy are contained. So, am I correct in assuming the injector driver in the PCM has a short? Is it possible that the wiring harness or actual wiring installed by Audi isn't what it should be according to the manufacturer's schematics for the Audi A4 1. The tan wire is the ground driver, and all the other cylinders show zero on their driver wires with the engine running and the injector connector pulled.
It is possible for the injector to cause issues even if it is receiving the correct voltage. Being code 72 I would suspect you have a wiring issue with the T858 grey wire on the external wiring harness or the front internal harness. Has anyone really been far even as decided to use even go want to do look more like?
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