GMC OBD1 Codes

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OBD1 Codes P Codes (Powertrain)U Codes

Acceleration

1998 GMC JIMMY

3 ANSWERS

1 IMAGE

Asked by tparks9738

Lose Of Power, Codes 32, 38, 54

1994 GMC TRUCK

1 ANSWER

Asked by awdcrxkid@gmail.com

I Have Codes 42 And 67

1994 GMC SAFARI

3 ANSWERS

1 IMAGE

Asked by williamsjfjudy

Code 43

1994 GMC SIERRA

14 ANSWERS

Asked by kristinvanvalkenburg

Runs Rough, Codes 24,43

1993 GMC SONOMA

10 ANSWERS

5 IMAGES

Asked by Caleb pool

4L80E Trouble Code 85

1993 GMC SUBURBAN

1 ANSWER

Asked by datapia7

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