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Trouble Codes
P Codes (Powertrain)
P0100 - P0199
P0171
GMC P CODES (POWERTRAIN) P0100 - P0199 P0171
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Found 9 results
1997 GMC Sonoma Code P0171 But Only When Using 87...
As The Tittle Says. I Get A Lean Code P0171 But Only If I Use 87 Octane. I Verified This By Filling The Tank 3/4 Of The Way With 89 And...
Asked by
serpentracer
·
15 ANSWERS
1997
GMC SONOMA
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...
2003 GMC Sonoma Fuel/P0171
I Have A 2003 Gmc Sonoma 4cyl 2.2l With 140k Miles. It Has Had A Recurring Issue Where It Is Hard To Start When The Fuel Gauge Reads 1/4...
Asked by
archituethis
·
9 ANSWERS
1 IMAGE
2003
GMC SONOMA
2002 Sonoma P0171
2002 Sonoma, P0171 System Too Lean, Is Dumping Fuel, Runs Pretty Good Until Reaches Temp, Black Smoke Coming From Exhaust?
Asked by
brdsmith15
·
4 ANSWERS
2002
GMC SONOMA
2006 Gmc Envoy Code Po171
Won't Pass Texas Vehicle Inspection With Code Po171. Have Replaced The Maf, What Else Could Be Wrong?
Asked by
claytitus1
·
1 ANSWER
2006
GMC ENVOY
VIDEO
How to Read Trouble Codes
Instructional repair video
2001 GMC Sonoma P0171 CODE 2001 GMC SONOMA 4.3
My Service Engine Soon Light Comes On Occasionally And Has Stored The Code P0171. I Can, T Find Any Vacuum Leaks And The Vehicle Has...
Asked by
lvmark
·
1 ANSWER
2001
GMC SONOMA
2002 Sonoma P0171
2002 Sonoma P0171 (system Too Lean Bank 1)replaced Ects, Cat Conv, 02 Sensor, Has Been Smoked For Leaks None Found, 02 Sensor Is Reading...
Asked by
brdsmith15
·
1 ANSWER
2002
GMC SONOMA
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...
2003 GMC Truck Error Code P0171
What Can I Do To Fix The Error Code P0171. When Idleing It Is Running Rough, And When Driving There Is Power Loss. When You Let Off The Gas...
Asked by
jlherm
·
1 ANSWER
2003
GMC TRUCK
Code P0171 Seems False
The Truck Has A Hard Start Condition If Left Sitting More Than A Day Without Starting. Whether Cold Or Warmed To Operating Temperature. It...
Asked by
The_Wizzard
·
1 ANSWER
2003
GMC SONOMA
Code P0171
My Engine Light Just Went On, I Did A Scan And The Code I Get Is P0171 System Too Lean Bank 1. I Did A Lot Of Reading About The Code, And...
Asked by
Steve620
·
7 ANSWERS
11 IMAGES
2007
GMC ENVOY
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