ECU

1989 FORD MUSTANG
90,000 MILES • 5.0L • V8 • AUTOMATIC
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LACEYMC
  • MEMBER
  • 4 POSTS
I think I may need a new ECU. The part number off my current ECU is E9ZF-12A650-C2A (A9P). I have found some available for purchase, but they all end in CA rather than C2A. What is the difference, if any?
May 22, 2017 at 3:54 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,711 POSTS
Hello,

The only difference is that one CA ECM is for California cars and the other is not.

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
May 24, 2017 at 12:27 PM
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