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GMC
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Trouble Codes
P Codes (Powertrain)
P0300 - P0399
P0303
GMC P CODES (POWERTRAIN) P0300 - P0399 P0303
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Found 5 results
2000 GMC Sierra P0303 Trouble Code
Ok, Changed Wires, Plugs. Still Get A Po303 Code. Engine Is Unsteady At Idle. Runs Fine For A Second Then Boom A Miss. Does This About...
Asked by
Harrison1
·
13 ANSWERS
2000
GMC SIERRA
VIDEO
Is it Safe to Drive Check Engine Light?
Instructional repair video
GUIDE
Check Engine Light
Why is my check engine or service engine soon turned on? In this guide we talk about what this is associated with this notorious light, what it is used for and what you...
How To Determine Which Fault Code PO303 Is Coming From
Hello, I Have A 1998 Gmc Jimmy 4.3l. I Just Recently Did A Tunup Which Includes All 6 Sparkplugs, 6 Wires + 1 Coil Wire, Distributor Cap...
Asked by
roycar71
·
6 ANSWERS
1998
GMC JIMMY
P0303 Problem After A 1000 Miles Of No Problem After...
96 Jimmy 4.3 4x4 144k Miles, I Rebuilt The Upper End Both Heads Machined A 1000 Miles Ago, Bought Ebay Used Injector Spider Was Clean And...
Asked by
96realwe
·
4 ANSWERS
1996
GMC JIMMY
2002 GMC Sierra Cylinder 3 Misfire- Diagnostic Code...
What Do You Recommend On Trouble Shooting Since My Diagnostic Code At Autozone Read Cylinder 3 Misfire. Code# P0303 How Do I Locate...
Asked by
ozarks76
·
3 ANSWERS
2002
GMC SIERRA
VIDEO
How to Read Trouble Codes
Instructional repair video
Code P0303
Pulling Code P0303, Replaced Distributor And Rotor, Spark Plugs And Wires, Crankshaft Position Sensor, Fuel Pump Pressure Tested At 55...
Asked by
Jphillips120v
·
1 ANSWER
2001
GMC SIERRA
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