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Old 11-09-2012, 10:49 AM
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loss of power

I just completed a oil cooler swap in my 04 6.0. The engine sounds great, I can rev it up and down with no stumbles. When I try to test drive thou it has very poor power, getting around 8 mpg (according to scan gauge) and shifts hard and shakes terribly at speed. Im not getting any codes popping up don't really know where to start looking first. I have the scan gauge so if any perimeters are needed to try to narrow this down please say and ill get them.

please any help pointing me in the right direction would be appreciated
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Old 11-09-2012, 02:16 PM
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check for a turbo leak it will do all that you posted hows your icp and ipr readinds also
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Old 11-09-2012, 05:16 PM
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Make sure all your ficm connectors are seated well.

Sent from my phone that somebody didn't help me get.
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Old 11-09-2012, 07:54 PM
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Are there any tranny paremeters that it can read?
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Old 11-12-2012, 05:51 AM
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my ICP is good @ 700-1400
and my IPR seems good @ 25 at idle

Im not finding any turbo leaks but is there any good tips to help check for leaks that I just can't see/hear
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Old 11-12-2012, 06:16 AM
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Are you using motorcraft filters with matching caps? You may want to check fuel pressure, it may have just started and is unrelated to your oil cooler replacement. Do you have the updated blue spring in the fpr? With good hpop readings, I would investigate fuel. Check all your injector connectors.

Sent from my phone that somebody didn't help me get.
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Old 11-12-2012, 10:57 AM
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I use that thin hvac tape to find them
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