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Injector/Wiring Ground Problem? Mxs C15 Cat 2006

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May 6, 2008 · Well, 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. Read the codes, I had a misfire on cyl1 as I kind of expected. 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?? Red Wire – 12V Switched. With key off or key on engine off after the pump prime cycle, there should be no power. 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. While this may seem to cost more than DIY, it is worth getting a professional's opinion. The fuel pump, then "ground distribution cell 14", (wherever that is) the fuel pump relay, and the oil pressure switch. Check a couple of plugs. How to detect a Faulty Fuel Injector. If that checks out, THEN cut the wire, as Andy suggests. Unless there is major crackage though, one would think only one cylinder would be affected. It could also be the injector driver in the ECM which is often an early symptom exhibited prior to ECM failure.

Fuel Injector Wiring Harness Problem

It mounts on the upper intake plenum right where the upper and lower intake plenum join. Connect one end of another jumper wire (16 gauge or smaller), to the power side of the 12-volt power 2, 2007 · DSM Wiseman. Sometimes it will even show injector 1 is bad even after replacing. One idea, the noid light might only light at a certain minimum voltage difference between the injector pulse pin, and injector ground. Do I need wires with heat-resistant insulation? 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. You can use the car frame to ground the meter (use an unpainted side). Your main requirement for this test is a Multimeter with ohms setting but can substitute a digital Volt-Ohmmeter if available. You simply hook up the two connectors to their intended locations and attach the ground wire. I forgot to mention that by either removing the fuse 28 (Fuel Pump) or fuse 32 (fuel injectors) the continuity to ground disappears using a test light, however removing fuse 34 (engine management) which also has connection to Fuel Pump Relay makes no difference.. The odd thing is that the engine runs great about 95% of the time but when the issue does arise, it causes a rough idle. I know I've read about the ticking noise on V8 Tundras/Sequoias often being related to the grounding strap from the injector wiring harness.. 1, 2016 · fuel injector wiring diagram – welcome to my web site, this blog post will review concerning fuel injector wiring diagram. An injector spraying steady would seem to indicate that as soon as the AS relay energizes the injectors turn on, this would indicate a possible short to ground on all of the injectors exhibiting this problem, 3 in your case. Also, is your water temp guage working on your guage cluster?

How To Test Fuel Injector Wiring Harness

The easiest means of checking the voltage delivery is using a Multimeter. 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.. A broken connector will not stay in place, and must be replaced in order for the vehicle to be reliable and safely driven. 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. One contact for all 4 showed only a 2-3.. briefly recap, the CEL is showing problem with #2 injector. The negative wires run from the left side to the right side rear and are bundled together on 1 terminal which is grounded on the intake manifold. Plug-and-play design allows for hassle-free installation. Store SKU #1003694689.

Fuel Injector Wiring Harness Problem With Native Javascript

Truck owner operator salary Chapin, South Carolina, USA. 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. Arm yourself, well, before going to do battle. Should I avoid shrink wrap? More than that means a bad connection or bad wiring. You are putting two o-rings (one large and one smaller) on each injector, right? Yet upon completion within a matter of hours or days the problem will resurface with broken ends on the injector harness or snapped off posts on the injector itself. Down here in TX the heat has absolutley killed my plastics and when i upgraded new injectors the plastic … mini rottie poo for sale 1. 8 L) came on about 2 months ago. How Fuel Injectors Works.

Fuel Injector Wiring Harness Problem Solutions

EFI, short for electronic fuel injection is controlled electromagnetically. Damaged O-Ring Causing Injector Leak. Set of 3 terminal tools for removing wires from terminals (plug / connectors) without damage. Injector/wiring ground problem? This is all started with a code for P0300, and a code for a TPS which I repaired. Checked for spark and compression and …24. 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. You can dismantle your existing broken fuel injector connector / plug using a terminal release tool (or a very small and thin screwdriver or a dental probe).

Fuel Injector Wiring Harness Problem 1

My wife's 2003 Audi A4 1. Standard ® designs and manufactures an array of injector styles with matching flow rates, spray patterns and body styles, including disc and pintle configurations. Its difficult to test the injector circuit because the PCM controls the sequencing of the injectors by interrupting the ground/signal rather than the postive. This GM style fuel injector connector was used on many ( not all) GM vehicles beginning around the year 2000. Do I need to replace the upper intake manifold gaskets while I'm there? Internet #307965633. These are the GROUND wires. In earlier times, this function was handled by carburetors, but even with a twin carburetor, perfection is not easily achieved. I have a 1985 4runner 22re I installed into a 1986 Toyota pickup. Have you had someone crank the motor while you watch it, looking for smoke coming off the wire harness? Available in three versions: Type A White.

Wiring Harness For Fuel Injectors

Terminal tools work on most conventional terminals as well as pack-con and weatherpack terminals found on GM vehicles. However, it shouldn't happen with the key off or key on/engine off, since there would be no positive voltage at the injectors, unless the fuel pump relay or the oil pressure switch were stuck closed, as mentioned earlier. Incorrect voltage delivery: Like the situation in fuel-to-air delivery, it is important to have the right voltage delivery.

Place the meter leads on the prongs inside the connector, making sure that they are not touching each other. Digital Volt-Ohmmeter (DVOM) or multimeter with ohms setting. Let's check it that way.... Now it is doing it again. This makes sense as 4 is near the return line, and 1 is near the inlet. Check the fuel pump on a dump or take it off and bench test it. The problem still is their - not firing on No1 injector and the fault shows as No1 injector with open circuit. So there must be a reason the injectors are filling up the cylinders, that isn't electrical?