truck stumbling. - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 04-06-2014, 09:19 PM Thread Starter
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truck stumbling.

Hey guys I got a 1997 f250 7.3 auto 4x4. 228,000 miles. Anyways for a while the truck would stumble when I would first start driving it wheither the engine was cold or warm. It would rev up too 1900 rpm but no more and build no boost for about 5-10 seconds and than it would clear up and run fine. Today it did the same thing but the check engine light came on and the truck lost power. There is a dead spot on the tps assembly right at the beginning. ( not sure if that helps). I replaced the cps sensor with a grey motorcraft one a few months back. I have heard this could be caused by bad injector O-rings is there anything I should check before I dive in headfirst?

1997 F-250 4x4. 5 speed, 6637,exhaust,dp-tuner,dana 60, 33's
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