Car runs bad after header install...
I know I have some small exhaust leaks that need to be fixed with some band clamps, but the car is popping and backfiring and it feels like I have a miss at idle
i'd assume that exhaust leaks would make the car run a little funky
does this sound like something stupid like a cracked plug? because i'm pretty sure there's a small crack somewhere on of em
or is there something else going on here?
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I had a similar problem, and inspected all of my plugs. They looked to be fine, so I reinstalled them. My car was still backfiring and popping like an Uzi. I tried all kinds of things, but finally bought new plugs which solved the problem.
There had to have been a hairline crack on one of the plugs, but I never found it. They were all gapped properly.
Its easy to damage the plugs when you do a header swap.
Also check all your vaccum lines unless you did race style headers, then check to make sure all your air and egr stuffs blocked off or taken out.







