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Power Strokes 1994-1997 General Technical discussion of topics related to vehicles powered by the Power Stroke engine in 1994 through 1997 models.

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post #1 of 2 (permalink) Old 12-11-2018, 06:57 PM Thread Starter
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Stumbling Idle

My 97 Powerstroke, when idling has a slight stumble/shake. The shake isn't violent but it is definitely abnormal. It also has a knocking coming from what I believe to be the passenger side which leads me to believe it is an injector issue. I hit exhaust manifolds on both sides with a laser temp gun and found one cylinder that was 20 degrees cooler than the rest. I was prepared to take it to a mechanic and get a new injector or maybe even replace all of them but last I fired it up and there was no knocking or stumbling so now I'm hoping it is a simple electrical problem. Does anyone have any ideas of what could be going on?
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post #2 of 2 (permalink) Old 12-21-2018, 06:22 PM
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It is possible that it is electrical connection issue. I would suggest to check connections on the header gaskets. It would be nice if it is possible to put up audio file on the forum, which isn't possible right now.

Right now, I finally got my truck running after long time sitting in the driveway. maybe 2 years? I am not sure if it is perfect or not since I am deaf.

Let's know your progress and findings.


'95 F-350 XLT PSD, CC, 2WD, Garrett Turbo AR 1.1, 5spd ZF tranny, LUK, 4.10 Limited Slip, just added Dual Arm Tenisoner. Just added my ol' vacuum gauge to monitor my vacuum pump.
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