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94 7.3 powerstroke running rough after start

 
Old 08-20-2017, 12:41 AM
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vertical pin buster
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Default 94 7.3 powerstroke running rough after start

My 94 7.3 has suddenly began starting harder the usual and running rough for the first 10 or so minutes. I recently removed a utility bed off it and replaced the rear tank. And put a new cam positioning sensor it. I also did not use the front filler neck I just taped up the rubber line. Last night coming home from work it ran rough for 10 miles then i started up the mountain I immediately started running out of power. Made it about half way before it quit. I thought it was the CPS. I started it again and it bearly idled. So this morning I replaced CPS and put in 5 gallon of fuel and after A lot of cranking it finally started and ran great. But coming home tonight the check engine would come on for a minute then go off.
anyone have any idea what's going of or where to start looking
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Old 08-20-2017, 08:59 AM
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It sounds like your injector control pump (ICP) is dying. Either that or the lift pump is failing, but I suspect the ICP. We have a 95 at the ranch that does the same thing, and replacing the lift pump didn't fix it. Haven't done the ICP yet.
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Old 08-20-2017, 10:23 PM
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I think I'll try the icp. The lift pump is fairly new. Not quite a year old. This evening I picked up a new symptom. A stutter like. Lite and quick. I'm thinking of also doing the 10k mod.
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