1999 Pontiac Grand Prix Repair Question
Topics covered: Engine, Engine performance, Fuse.
Mileage: No information provided.
Mileage: No information provided.
Asked on June 8, 2010
1999 Pontiac Grand Prix Engine runs erratic then runs fine
Engine Performance problem
1999 Pontiac Grand Prix 6 cyl Two Wheel Drive Automatic 145000 miles
This car all of a sudden started running erratic then it will idle fine then back to erratic I have tried 2 seperate scanners they will not link with PCM I tried the scanners on my other vehicles and they worked fine I have checked all fuses and they are good possible PCM I have also checked all connections and they are tight.
1999 Pontiac Grand Prix 6 cyl Two Wheel Drive Automatic 145000 miles
This car all of a sudden started running erratic then it will idle fine then back to erratic I have tried 2 seperate scanners they will not link with PCM I tried the scanners on my other vehicles and they worked fine I have checked all fuses and they are good possible PCM I have also checked all connections and they are tight.