P CODES (POWERTRAIN) P1600 - P1699 P1639 Questions

Code P1639 5 Volts Reference Circuit 2

2002 CHEVROLET 1500
24 ANSWERS
24 IMAGES
Asked by Radjohn

GM Dtc Code P1639

2002 PONTIAC FIREBIRD
2 ANSWERS
2 IMAGES
Asked by Billy Miller

Obd Ll Code P1639

2002 PONTIAC FIREBIRD
1 ANSWER
Asked by billmill5050

Obd2 Code P1639

2005 FORD ESCAPE
3 ANSWERS
Asked by Kevin Jones2

Obd Ll Code P1639

2002 PONTIAC FIREBIRD
1 ANSWER
Asked by billmill5050
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