GMC P CODES (POWERTRAIN) P0100 - P0199

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P0100 P0101 P0102 P0106 P0113 P0117 P0125 P0128 P0134 P0135 P0138 P0140 P0141 P0147 P0154 P0155 P0157 P0158 P0171 P0172 P0174 P0175 P0191

Check Engine Codes P228c, P0191, And P0172

I Changed Out The High Pressure Fuel Pump, Replaced The Fuel Pressure Sensor, And Noticed The Wiring Harness To The Pressure Sensor Was...

Asked by DWhitcomb ·

3 ANSWERS

23 IMAGES

2015

Is it Safe to Drive Check Engine Light?

VIDEO

Is it Safe to Drive Check Engine Light?

Instructional repair video

Check Engine Light

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...

DTC Code P0191 How To Fix It?

I Get A P0191 Code When Cold Engine Is First Started And Stays On Until I Clear It. If I Clear The Code When Engine Is Warm It Will Stay Off...

Asked by 2007gm ·

6 ANSWERS

14 IMAGES

2007

PO171 And PO174 For 1998 Gmc Jimmy 4.3L Help

I Have Did The Following Changes. -fuel Filter=changed -fuel Pressure Regulator=changed -fuel Pump=changed -mass Air Flow Sensor=...

Asked by roycar71 ·

24 ANSWERS

7 IMAGES

1998

Codes P0171 And P0174

What Is The Most Likely Remedy For Error Code 171 And 174 On The Truck Listed Above?They Are Running Lean Bank 1 And 2. It Was Reset And...

Asked by paulvoitek ·

2 ANSWERS

11 IMAGES

2002

How to Read Trouble Codes

VIDEO

How to Read Trouble Codes

Instructional repair video

P0171 Code, Cleaned MAF Then Got A P0174 Temporarily?

P0171 Code. Cleaned Maf Then Got A P0174 Temporarily. Sprayed Water At Base Of Intake And No Noticeable Difference. Not Sure Where To Go...

Asked by hsaylor0 ·

3 ANSWERS

8 IMAGES

2013

Codes P0420, P0101, And P0300

Truck Started Flashing A Service Engine Soon Light On The Road This Morning. About 3 Miles Later I Started Losing Speed. From 70 Slowly Down...

Asked by Denali Trouble ·

1 ANSWER

6 IMAGES

2002

Check Engine Light Safe to Drive?

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...

Code P0172

Vehicle Started Losing Power Almost Felt Like Driving Into A Strong Head Wind. Then Next Day P0172 Fault Code Came Up. Changed Mass Air Flow...

Asked by Dt5428 ·

15 ANSWERS

3 IMAGES

2005

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

Codes P0191 And P0138?

I Have Replaced Almost Everything. Recently Was The O2 Sensor For One Code And The Fuel Rail Sensor For The Other Code.

Asked by Wetmore98 ·

1 ANSWER

7 IMAGES

2011

Codes Po171 And Po174 What Are These Codes For?

Please Tell Me What These Codes Stand For And The Diagnosis.

Asked by bbarreto ·

1 ANSWER

7 IMAGES

1996

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