Operation CHARM: Car repair manuals for everyone.

Restricted Exhaust System Check

Step 1:




Steps 2 - 4:




Steps 5 - 6:






NOTE: Diagnostic Trouble Codes will be set by running the vehicle to normal operating temperature after a cold start with the O2 sensor disconnected. After performing these tests, use the Tech 2 to erase the Diagnostic Trouble Codes that were set by the lack of O2 sensor activity.