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445 Posts
About 2 weeks ago my engine light came on...Had my friend scan and find out its an upstream o2 sensor..We changed the one that looked clogged or messed up...few days later light came on again..we changed the other upstream and cleared code again...next day light on again...my srt has 33k on it with borla T cat back..On startup it smells like gas. Do you think this keeps happening because its running rich? I will have a custom tune uploaded via diablo after xmas. Would this solve the check engine light problem?