97 psd loss of power when in passing gear - Ford Powerstroke Diesel Forum
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  #1  
Old 08-25-2007, 12:10 PM
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Exclamation 97 psd loss of power when in passing gear

hey all. 1997 psd 4x4 straight 4 inch pipe all stock. my truck lost its normal power when passing someone, at WOT it feels like it is starving for fuel. when I sit in park and rev it up, normally it would let me tach it out, now it starvs at 2600. I looked through all the threads and gcould not find one that really pin pointed the problem. I think it could be fuel pump?? Any help would be awesome! Thanks
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Old 08-25-2007, 08:38 PM
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change your fuel filter and clean the fpr screen if you havnt yet. That could help. Good luck!
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Old 08-26-2007, 05:47 AM
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Also check the air filter.
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Old 08-26-2007, 06:44 AM
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fuel filter changed 2 days b4 the symptoms started. The screen is clean as well. Still having issues. I bought a fuel pump, just want to make sure thats it b4 I change it out.. Thanks guys
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Old 08-26-2007, 07:11 AM
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Let us know if that fixes it. Kinda havin the same issues sometimes.
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Old 08-27-2007, 06:37 PM
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Could be the issue, I would check oil pressure, the low pressure oil pump might be starving the HPOP resivoir.
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Old 08-27-2007, 11:46 PM
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I'm troubleshooting the same problem. So far, I received the following suggestions:
fuel filter (done)
air filter (done)
MAP sensor (done)
thermostat - low temps causing EBPV actuation?
turbo

The first three things still haven't fixed my problem. Next step is the thermostat since I'm pretty sure it's stuck open right now anyway.

Ryan
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Old 08-27-2007, 11:49 PM
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just unplug the ebpv to see if thats your problem... its a 2 wire plugin underneither your turbo inlet...mines been unplugged for almost a year with out any problems.
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Old 08-28-2007, 10:35 AM
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I unplugged the EBPV - didn't really seem to make much of a difference. Someone else suggested fuel delivery or oil. That would make some sense since I'm not able to get any black smoke from the exhaust no matter how hard I stomp on it.
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Old 08-28-2007, 10:41 AM
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Everyone, It was the fuel pump.... I replaced it and BAM! Back to the good ol' POWERstroke!
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