Chevrolet Truck P Codes (Powertrain) P0300 - P0399

Browse Chevrolet Truck P Codes (Powertrain) P0300 - P0399 questions and answers. Choose a question that matches your symptoms.

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Obd2 Code Reading Po300. Engine Lope On #3&4...

2002 CHEVROLET TRUCK

Obd2 Code Reading Po300. Engine Lope On #3&4 Cyclinders. Change Spark Pluges-coil-injecters And Wires.

1 ANSWER

Asked by sunnylexus

1998 CHEVROLET TRUCK

My Chev 1500 Is Very Hard To Start When It Has Sit For More Than A Day. As Of Right Now It Has Sit For Two Days And I Can't Get It To Start...

1 ANSWER

Asked by John Hopkins

1997 CHEVROLET TRUCK

Ok I Started With The Basics, Fuel Is A Solid 55-60 Even Under Load Driving. I Diagnosed The Ignition Module As Bad (had It Tested) Failed...

2 ANSWERS

Asked by Mole1333

1997 CHEVROLET TRUCK

Pick-up Vortec 5000 This Vehicle Failed Inspection For # 5 Cylinder Missfire, Replaced Fuel Filter,plug,distributor,coil, The Truck Run Fine...

1 ANSWER

Asked by mikeusc

1996 CHEVROLET TRUCK

Can The Maf Sensor Give This Reading?p0300

1 ANSWER

Asked by swen54

CHEVROLET TRUCK

How Do I Repair A Trouble Code Of P0336 On A 97 Chevy Blazer. It Will Not Start. It Has About 180,000 Mile On It. The Code Is No Crankshaft...

1 ANSWER

Asked by Purplefrog

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