2003 Jeep Grand Cherokee PCM Just Bad Does Something Cause This Could

2003 JEEP GRAND CHEROKEE
90,000 MILES
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ANONYMOUS
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  • 1 POST
can a pcm just go bad or does something have to cause this and if so what could it be.
Jan 4, 2013 at 9:46 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
they can go bad but normally you have to scan for codes first. as well as check fuel pressure. before you replace any part on a car engine/transmission
Jan 4, 2013 at 10:05 AM
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