99 V-10 PROBLEMS
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99 V-10 PROBLEMS
Hello all i have a 99 super duty with the v-10 in it and like most of these trucks the exhaust manifold bolts rotted away, i put a set of the stainless ebay headers on it when i changed the bolts out becasue the manifolds were junk too. My problem is the headers didnt come with the egr bung in them, I thought it would be ok without it hooked up.WRONG it wont run worth a crap. Has anybody dealt with this before? what did ya do? Also is it possible to get the computer reprogrammed to the mods i have exhaust,intake, etc? Thanks
Postmaster
Joined: Jun 2008
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From: Wayyy NoCal, USA
Not a lot, maybe 1/2 mpg at cruise on the V10, but I'll take it!
Exhaust gas recirculation - Wikipedia, the free encyclopedia
Exhaust gas recirculation - Wikipedia, the free encyclopedia
Lead Driver
Joined: May 2003
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From: Lyndonville, Vermont
In my opinion the egr will not cause any issues with performance. However headers might cause the engine to run like crap. The egr might keep the engine from having pre ignition if you are in a warm area but that's about it.
If the headers are too large the engine will not run well at all. Stock manifolds are built that way for a reason...also you may have something else wrong.
If the headers are too large the engine will not run well at all. Stock manifolds are built that way for a reason...also you may have something else wrong.
Cargo Master
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I am betting he did not plug it and when the valve opens he has a gigantic vacuum leak........
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Lol this was over 5 years ago... But yes it was removed from the back of the throttle body and a block off plate put on. That wasn't the problem. It was just dumb luck that I did the headers and within a couple days of putting them on found the intake leaking and a couple other issues internally, it ended with a motor swap and I sold the truck lol
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