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P0730 code on 97 grand prix

beattie

beattie

New member
Cars runs an drives fines shifts fine the other day i drove an hr away and back do around 80mph.. And when i got back in town every gear was goin hard was told to scan and this is the cold i got for gear ratio.. My car sat for an hour and has shifted fine since that was the only tine it was hard.. Wat would i need to change and i have a pcm from zzp to
 


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