If the multi-cylinder machine to loosen when a high pressure brass cylinder of white smoke, crackling sound disappeared, loosen the Department has a large number of bubbles emerge, indicating that the nozzle needle and the needle cylinder body stuck in the open position; hand to touch a cylinder injector, if a cylinder injector cylinder other than the heat, then prove that the cylinder injector stuck. If the nozzle needle stuck in the open, cut the cylinder oil, different sound and white smoke disappeared; If the needle stuck in the closed state, the cylinder off the oil off the cylinder oil, engine ignition unchanged . But then I hit 3 and it's well beyond stuck. It needs to idle for about 5 minutes before it will even move under its own power. Stuck Open Fuel Injector (how to fix) Print 2001 Dodge Grand Caravan 3.3 with a #5 injector control wire shorted to ground. When this happens they cause a leak-down, resulting in a reduction of fuel pressure across the fuel rail. Step 1. Run BioDiesel through the motor. This is a common issue on the Caravan and Town and Country models. The fix is to simply whack the body a few times on a hard surface to free the pintle from any crud that was holding it shut. Residue from the rust gets into the injectors when the fuel filter is in bad shape. The other was on my carwhen it descided to stick open and stall out the engine. Each cylinder should read plus or minus 30 of 450F degrees. The functions of a fuel injection system include feeding fuel to the injectors, adjusting the fuel quantity, adjusting the injection timing, and atomising the fuel. Using the same wrench, pull out the injector carefully and gently. Remove the rear most injector first. I typically just use the 19mm wrench I used to loosen the injector lines. The fix was I took a mini torch, put it inbetween the the block and the injector for about a minute, within 2 minutes I had the injector out without even using a slide hammer. Sounds like one might not of seated properly. since the car isnt running you shouldnt have any fuel coming from any of the injectors. best way is to remove the injector and get them tested. That's the same reading I get from good injectors. Removing a diesel fuel injector is a simple process; however, it does require some basic knowledge of the system. So I … Well, my truck starts terribly. Smelling fuel from within the vehicle is never a good sign. New job like yours, either a mis drilled hole or foreign object in the bore. If the nozzle needle stuck in the open, cut the cylinder oil, different sound and white smoke disappeared; If the needle stuck in the closed state, the cylinder off the oil … Slip on the injector puller tube, aligning the notches on the tube with the injector bleed tubes. It shakes, blows black smoke, and occasionally stalls shortly after starting. Some injectors may be loose enough to remove but others not. Do not run the engine long with the fuel line disconnected or it will ruin the injector, which is now running dry. When that happens the injector cannot spray and when driven with a signal, instead of a loud ringing noise, it will make a much quieter hum. They took care of me and my truck starts great now. After you have decided you have an injector issue, most the times it's possible to have the seized injector removed from its place only by using professional hydraulic equipment (designed specifically to remove a … All diesel fuel injectors have the same basic characteristic in that they allow fuel to enter the combustion chamber of the engine under greater pressure than that already inside the chamber. You could disconnect the main lines over the drivers side valve cover and hook up hoses to a 5 gallon bucket. The water in the fuel cause internal components to rust. Step 4 Slip the injector nozzle protector onto the injector tip. Crack the fuel tank cap, listen for air to hiss. © Copyright 2013 | UK ERIK PRECISION MACHINERY CO., LTD. All rights reserved. The one that's stuck closed was a little rusty at the tip. Too much fuel will also flood a cylinder, effectively reducing power. The functions of a fuel injection system include feeding fuel to the injectors, adjusting the fuel quantity, adjusting the injection timing, and atomising the fuel. It shakes, blows black smoke, and occasionally stalls shortly after starting. Use the open end part, take the longer side and get it under the injector (right under where the bolt goes through) and push down on the opposite end like a lever and the injector will pop right out. I am in the process of replacing all 8 injectors in my truck and thought I would pass on this method for pulling out a stuck injector. then w/ the injectors still in the rail and clips attached jumper Fp and B+. A quick video to show how to identify and fix a vintage injector with a stuck pintle.

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