Backfirung from exhaust
Hey guys. I have a huge problem with my 06 fx4. I got a k&n cold air intake installed about a year ago. Not too long after that my truck began to backfire and list power and heavy throttle. I cleaned my mass air flow sensor and it stopped. But about a week before I had cut my flowmaster muffler off and installed a turn down where the muffler was. Now the back firing is comin from the exhaust and there is a slight loss in power. I'm not sure if the problems are related but any help would be appreciated.
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Any help would be appreciated.
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Your getting backfire cause you dont have enough back pressure. No mufler=less backpressure. Im sure it only backfires when you have truck in park and rev it up and not when your driving.
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Originally Posted by csg85
(Post 3344317)
Your getting backfire cause you dont have enough back pressure. No mufler=less backpressure. Im sure it only backfires when you have truck in park and rev it up and not when your driving.
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CAI = more air flow
CAI + No muffler = even more air flow Unless you have a tuner to add more fuel, your air/fuel ratio is probably off, causing backfires. |
Originally Posted by bonez
(Post 3344594)
CAI = more air flow CAI + No muffler = even more air flow Unless you have a tuner to add more fuel, your air/fuel ratio is probably off, causing backfires.
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Originally Posted by andrew29620
(Post 3344608)
Any way to fix it other than buying a chip.
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Originally Posted by bonez
(Post 3344665)
Put your muffler back on
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Any codes?
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There's no check engine light but I haven't hooked it up to a computer. I can get a buddy to check it for codes tomorrow
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