MustangWorks.com : Ford Forums - View Single Post - Check engine light on after replacing mufflers?

jpumpkinn · 11-21-2001, 09:18 AM

This past weekend I put on a set of Flowmaster 40 series mufflers. Ever since I did that my check engine light comes on when ever I give it gas? Is this normal? Do I have to let the computer and sensors adjust to the new exhaust? Thanks for your imput!
-Josh

11-21-2001, 09:18 AM	#1
jpumpkinn Registered Member Join Date: Jun 2001 Location: san antonio Texas usa Posts: 127	Check engine light on after replacing mufflers? This past weekend I put on a set of Flowmaster 40 series mufflers. Ever since I did that my check engine light comes on when ever I give it gas? Is this normal? Do I have to let the computer and sensors adjust to the new exhaust? Thanks for your imput! -Josh __________________ Keep On Truckin!!