Yep, serious leak there. If you have a 02 sensor down stream from that leak you will be introducing fresh air into the exhaust stream and the PCM will screw up your fuel mixture.
Yep, serious leak there. If you have a 02 sensor down stream from that leak you will be introducing fresh air into the exhaust stream and the PCM will screw up your fuel mixture.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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