How can I check to see if my PCM is bad, or how can I get it reset?
2003 MERCURY MOUNTAINEER
BANKSERICKA
MEMBER
3 POSTS
How can I check to see if my PCM is bad, or how can I get it reset?
Mar 5, 2012 at 9:29 AM
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JACOBANDNICKOLAS
✓Experienced Mechanic
110,240 POSTS
You need a dealer to do both
Mar 5, 2012 at 9:57 AM
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