Chevrolet 1500 P Codes (Powertrain) P1600 - P1699

Browse Chevrolet 1500 P Codes (Powertrain) P1600 - P1699 questions and answers. Choose a question that matches your symptoms.

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Code P1639 5 Volts Reference Circuit 2

2002 CHEVROLET 1500

P1639 Reading 5 Volts At Throttle Position Sensor With Truck Switched On And About 7.5 To 11.4 With Truck Running. Trying To Find Out If I...

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Asked by Radjohn

1998 CHEVROLET 1500

The Truck Had Great Fuel Pressure But Wasn’t Getting Fuel, So I Thought It Had Bad Injectors So I Changed The Spider In It. The Truck...

3 ANSWERS

7 IMAGES

Asked by Antonio12

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