HELP!!! Exhaust in Cab! Loss of Boost Over 20 lbs! - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 11-30-2013, 07:31 AM Thread Starter
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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.




Spencer

2016 F-350 Lariat CCSB FX4 6.7L Power Stroke

- 2" Rough Country spacers
- 35x12.50x20 Toyo Open Country AT2 and 20x9 XD Hoss wheels


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post #2 of 3 Old 11-30-2013, 07:36 AM
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For me the hardest part of messin with the turbo is just getting that sucker sealed up. Last year I had a leak and just could not find it. Someone on here suggested going out in the cold morning with a flashlight, crawl up on that motor and have someone fire up the truck. Well it worked like a champ I could SEE the leak! Might give it a try.

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post #3 of 3 Old 11-30-2013, 07:38 AM Thread Starter
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I'll def. do that.

Appreciate the response!

2016 F-350 Lariat CCSB FX4 6.7L Power Stroke

- 2" Rough Country spacers
- 35x12.50x20 Toyo Open Country AT2 and 20x9 XD Hoss wheels


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