Its an o2 camaro ls1/a4

It idles at about 500 in park, and exhaust fumes are going like crazy, what could it be? It has new plugs, and just cleaned the maf, throttle body, and sensors...

I have yet to get it scanned, so I dont know what codes its throwing.

And it has the factory tune. The car is all stock exept for slp lid/maf.

Maybe a bad coil, or oxygen sensor?? Any input would be greatly appreciated Thanks.


-Luis

 

I would check all of the connectors that you fiddled with and then take the car to autozone for a free scan. Once its scanned you know what the problem is exactly.