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Power Strokes
7.3 Tech
Weird one...engine miss for specific time?
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[QUOTE="firehunter, post: 736128, member: 1162"] Thanks for the input Joe, I did read your post when you put it on here, just been very busy with fires... Finally got it scanned today. What is happening is upon starting ICP is defaulting to 750 psi for exactly 40 seconds, ICP spikes, then sensor appears functional and ICP drops to around 480 psi - which I assume is what is commanded by the tuning. The long-time Ford mechanic I went to is no stranger to 7.3's but has never heard of anything like this. He says it is almost like the computer (he said "memory") is not "seeing" the ICP sensor for 40 seconds, then reading it just fine after that. We unplugged the ICP sensor and it STILL spikes the ICP at the 40 second mark then returns to 750psi (sensor still unplugged). The only codes that came up were one for EBPV (deleted), IAH (deleted), and P1280... So, going by that code, a new ICP sensor is on the way (there is oil in the plug), but I have my doubts that is the issue since it still does it with the sensor completely eliminated from the circuit. PCM??? Boost, EGT's, smoke are all normal for my set-up. Dafuq? [/QUOTE]
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Weird one...engine miss for specific time?
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