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GMC
Yukon
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
GMC YUKON P CODES (POWERTRAIN) P0400 - P0499
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Found 7 results
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P0420
P0430
P0440
P0446
P0449
Missing Part Or Parts For EVAP System, Code P0449
I Need Help Identifying What Parts I Need. All Information Online Is For Yukon Xl 1500 Or Other That Do Not Match My 2004 Yukon Xl 2500....
Asked by
nicavery
·
1 ANSWER
3 IMAGES
2004
GMC YUKON
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...
Trouble Code P0430 Is It Bad Cat. Or Sensor
P0430 Says Catalyst System Efficency Below Threshold Bank 2.
Asked by
LOUGAR
·
4 ANSWERS
2002
GMC YUKON
Codes P0449 And P0446?
Engine Idling Rough Both Po 449 And Po 446 Code Are Coming Up On The Diagnostic Check And When I Open The Gas Tank There's A Lot Of...
Asked by
Dan Frank Amaral
·
1 ANSWER
2 IMAGES
2003
GMC YUKON
1999 GMC Yukon Code P0420
What Oxygen Sensor Is Having The Problem
Asked by
barberman
·
1 ANSWER
1999
GMC YUKON
VIDEO
How to Read Trouble Codes
Instructional repair video
2003 GMC Yukon P0446 Error Code, Engine Feels Like It...
My Shop Truck Is Reading The P0446 Evap Emission System Vent Circuit Code And I Have No Idea What Needs To Be Replaced. When The Truck Is...
Asked by
Ace Motorsports
·
1 ANSWER
2003
GMC YUKON
2001 GMC Yukon Diagnostic Codes
What Does It Mean When The Repair Code Is P0440? What Should I Fix? Thanks, Sherry
Asked by
Sherry Johnson
·
1 ANSWER
2001
GMC YUKON
GUIDE
Check Engine Light Safe to Drive?
We are a team of ASE certified mechanics that have created this guide to help you understand if your car is safe to drive with the check engine or service engine soon...
Gmc Yukon 98 Engine Code
I Am Getting A Trouble Code P0440 And P0440pd, I Look In The Reference Code Book For The Description But It Just Says Evap Emission...
Asked by
Nate R.
·
1 ANSWER
1998
GMC YUKON
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