Engine Tunes/Mods
Vehicle:
2003 Envoy XL SLE
4.2L I-6
Mileage: 92,000
Hi everyone -
I am desperately looking for help on the rather serious REP issue.
Yesterday, for example, REP manifested itself no fewer than 45 times while my girlfriend was driving it. Today, I took the vehicle for my usual 34 mile commute...