Mechanics

2.5 ENGINE DIAGNOSTIC SCANNER TEST/RUN

1990 Pontiac Grand Am

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?
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Hellofun
January 16, 2012.




21 tps sensor out of range

32 egr circuit fault
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Tiny
Rasmataz
Jan 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

Tiny
Hellofun
Jan 16, 2012.
You need to troubleshoot it-don't throw parts to it till it fix

Tiny
Rasmataz
Jan 17, 2012.

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