Join Date: Sep 2011
Location: Fayetteville, NC
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HELP!!! Exhaust in Cab! Loss of Boost Over 20 lbs!
My truck is leaking exhaust somewhere inside of the engine bay.
When I start it, it's blowing awful fumes through the heater. It's unbearable to drive now unless your recirculate the air (after putting the windows down to let the fumes out).
I just installed a new turbo-back exhaust yesterday. It still has the cat, but I did delete the muffler.
I replaced the original down pipe withe a larger one. There are no signs of leaks from the new exhaust nor from the y-pipes.
Also, I made sure that the V-clamp that connects the down pipe and the turbo was tight. No signs of any soot or anything inside the engine bay.
What could I be missing here? This problem didn't start until after the new exhaust was installed. No problems of any sort prior to yesterday.
Also, at WOT, the truck will not put out over 20-22 lbs of boost. I went all out this morning and it normally will do around 32 lbs.
There is definitely a loss of power and mileage, too.
Thanks for any help you all can send my way.
2006 F-250 King Ranch CCSB FX4 6.0L Power Stroke
-SCT programmer with Innovative Diesel tunes
-Blue spring upgrade
-ARP head studs and Black Onyx head gaskets
-S&B cold air intake
-Diesel Site coolant filter
-MTW Stage 2 turbo
-PHP FICM with Atlas 80 tune
-6000K HIDs (fogs and high/lows)
-4" turbo-back exhaust to 6" tip
-2" lift with 20s and 35s
-Edge Insight CTS