Mechanics

WHAT COULD BE CAUSING MY BACKFIRING?

1997 Eagle Talon • 118,000 miles

It is the turbo version of the car.
It only backfires at full throttle around 4000 rpm.
I know I have a bad oxygen sensor on the manifold.
I have heard I should check spark plugs and boost leak and timing. I was just wondering if this info is enough to narrow down cause.
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Cstaff25
July 10, 2012.




Backfiring can be caused by a bunch of things. Scan for codes first and check fuel pressure. Then if these are original spark plugs replace those and check plug wires for resistance.

Hmac300
Jul 10, 2012.


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