1993 Chevy Cheyenne check engine light

1993 CHEVROLET CHEYENNE
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DUGSANFORD
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Engine Performance problem
1993 Chevy Cheyenne 6 cyl Two Wheel Drive Manual

when temp. gets to about 140 my check engine light comes on
Nov 1, 2008 at 1:43 PM
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RASMATAZ
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Jumper B to A on the diagnostic connector and read the flashes and comeback with the code/s


https://www.2carpros.com/forum/automotive_pictures/12900_GM_ALCL_17.jpg

Nov 1, 2008 at 3:01 PM