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Check injector pulse

Have a bad miss in drive idol is rough won't go down the road

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Check your ignition, might have bad plug, wire or coil. Even though you checked injector pulse, it could be a bad injector or even a bad fuel pressure regulator.

Posted on Dec 09, 2014

Go to You Tube Video

There you can see how to do a current ramp
check on the coils primary side

Check the pulse with an oscilloscope

Many other ways to do whatever your up to

Posted on Dec 09, 2014

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Ok so my wife and i were driving down the road and the engine starts running rough like its starving for fuel every time i would hit the gas it bogs down. then it finally shut off. i tried to start it...


I would check the injector plugs with a Noid light, and check the resistance of the injectors. Also, check the fuel pressure regulator. What did the old plugs look like when you took them out? Did you check the fuel pressure?

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On 2005 duramax injectors, is there a recall on this issue


05 duramax injectors have gone bad I'm told because the ecm has gone bad. Is this the case or I'm I being told a crock? They say it needs 4 injectors. While I was driving down the road it started missing and then it would quit and start missing again. After about 6 miles it died. After changing the fuel filter and priming the system it would not start unless assisted with gas vapor. It will run for a few seconds (20 or so) very rough with no power at all and then would die. Does Chevrolet have any recomendations or will they give any assistence with this problem. I don't think I'm the first person that has had injector problems with the Duramax .

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check your EGR and for vacuum leaks

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1 Answer

I have a 94 chevy s-10 p\u it idols rough i


Checked and cleaner EGR?. Misses all the time or just at idle, going down road? Have you tried pulling one plug wire off cap or plug at a time to see if you can isolate which cylinder it is, then work from there?
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1 Answer

2001 Ford Windstar runs rough.


remove the coil pack and look at bottom of it if it shows any cracks coil is bad very common on these vans if you have a noid light check for injector pulse on #4 if you have pulse and good blue spark most likely the injector is bad you have to remove upper plenum to get injectors out let me know how you make out

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2 Answers

Cyliner 1 misfire, codespo301, po316, po301b, b1352


A misfire can be cause by several factors. here are a list of things to check check spark plug on that cylinder and check coil and wiring for coil. check cylinder compression on all cylinders if one cylinder is less than 10 psi different from the others that can cause a miss, last but not least check injector pulse using a noid light for injector pulse if pulse is good then injector is bad replace and that should solve your problem. Good luck and contact if you need more help. Thanks for using FIX YA

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I have a 1997 Cavalier thats a 2.2 and its running really rough.


sounds like it may have a bad ignition miss. check spark plugs, wires, and coil packs.

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2 Answers

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1 Answer

AC AND ROUGH IDOL


Check the dodge website for recalls and see if the pcm needs to be updated. The pcm controls everything in that van.

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