turbo back exhaust installed now no power - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 05-05-2010, 03:36 PM Thread Starter
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turbo back exhaust installed now no power

i just installed a diamond eye 3 inch downpipe and 4 inch back exhaust.straight piped no cat or muffler.when i went to drive it truck just falls flat on its face.cant get over 75 on the highway.has anyone else heard of this? its a 1995 f-250
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post #2 of 4 Old 05-06-2010, 07:23 AM
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I had the same problem... When I installed my downpipe I accidently unplugged the line that leads to the MAP sensor (passenger side). Went for a test drive and I had no power. I opened the hood and noticed the line was disconnected. Hooked that line back up and all was good. Check it out.

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post #3 of 4 Old 05-07-2010, 04:17 AM
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Haven't heard of it, definitely something wrong. Opening up the exhaust on these trucks makes a big difference in performance. (but for the better) Definitely check the soft line (1/4" tubing attached to the passenger side valve cover) that goes to the MAP sensor.

And when you attached your DP, did you think to check what position the EBPV was in? If the butterfly plate isn't in a straight, open position, it would be adding restriction to the exhaust flow. (just a thought)

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post #4 of 4 Old 05-19-2010, 07:25 AM
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Did you make sure the packing material was out of the exhaust tubes before installing?

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