95 Chevy pkp wouldnt shift above 2nd. unhooked positive batt and reset. ran

  • Thread starter Thread starter Jerry W
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Jerry W

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ok for while and did again. ? I was in cruise at 55 when the engine dropped cruise and into 2nd gear. I reset the ecm by unhooking positive on battery. It ran ok for several miles and did it again. I reset it again and is running ok. Check eng light comes on periodically.
 
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