1992 Mazda MPV automatic won't upshift from low, was told it could be a wiring problem?
Apr 1, 2011 at 2:43 AM
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KHLOW2008
CAR REPAIR CONTRIBUTOR
41,814 POSTS
Diagnostics would have to be performed to verify the cause. Speculating and guesswork is not going to help.
Start by checking the fluid level and try retrieving for trouble codes.