1990 Pontiac Grand Am Repair Question
Asked on January 16, 2012
2.5 engine diagnostic scanner test/run
What codes is it or part you need when service engine light flashes 3 pause flashes 2?
what codes is it or part you need when service engine light flashes 2 pause flash 1?
what codes is it or part you need when service engine light flashes 2 pause flash 1?
Asked by hellofunAnswer
Replied on January 16, 2012
21 tps sensor out of range
32 egr circuit fault
Replied on January 16, 2012
so just buy a throttle position sensor and a egr valve and put them on and see if that helps the 1990 grand am 2.5 5 speed engine out
Replied on January 17, 2012
You need to troubleshoot it-don't throw parts to it till it fix