GMC Sierra Engine

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Engine Shutters While Idling And Driving?

2021 GMC SIERRA
Vehicle Details: 4wd / Awd Had A Code P302...replaced #2 Coil. It Did Not Help..tuck Is Garage Kept Never Abused...just Not Understanding...
1 ANSWER
Asked by Chris Christianson

Codes P0137, P0157, P0171, And P0174 P129f, The Engine...

2020 GMC SIERRA
I Got Home From Work One Afternoon. The Truck Was Running Fine. 30 Minutes Later I Went To Leave, And The Truck Would Not Start. As I Kept...
1 ANSWER
18 IMAGES
Asked by cward1450

Fluctuating RPMs While Driving?

2019 GMC SIERRA
While Driving, Specifically Cruising, The Rpms Do Not Hold Steady. It Will Fluctuate A Couple Hundred Rpms. There Is An Occasional Shudder...
13 ANSWERS
12 IMAGES
Asked by jamessurface

Replacing Cam And Lifters?

2019 GMC SIERRA
Having A Difficult Time Finding All The Torque Specifications Needed For Reassembly. Cam Phaser Bolt Oil Pump Bolts, Cylinder Head Bolts...
1 ANSWER
10 IMAGES
Asked by Yasick

No Power To OBD2 Port?

2018 GMC SIERRA
Failed Inspection Because There Is No Power To Port So Can't Do Ma Emissions Test. Contacts Look Good, Auxiliary Power Ports Have Power...
3 ANSWERS
2 IMAGES
Asked by mlucas47

No Power To Low Pressure Switch?

2017 GMC SIERRA
All Fuses And Relays Good. Controls All Light Up, Three Wires At Pressure Switch. Checked Each With A Test Light None Lit It Up.
1 ANSWER
1 IMAGE
Asked by Roy Jr Martinez

Engine Not Starting, Plus Other Weird Symptoms

2016 GMC SIERRA
Hi There, The Truck In Question Hadn't Been Started In Two Or Three Weeks Because We Haven't Gone Anywhere. Here's What Happened...
5 ANSWERS
Asked by i_know_nothing

Torque Specs And Pattern

2016 GMC SIERRA
I've Been Replacing The Lifters On My Truck, And I'm Having Problems Finding The Torque Pattern And Poundage. I've Found...
1 ANSWER
8 IMAGES
Asked by CLutze27

Oil Pump Replacement?

2014 GMC SIERRA
Had A Code P06da Oil Pump Solenoid Code, Did All The Hard Work To Drop The Steering Gear, The Oil Pan, Pull Off All Accessories, And Install...
1 ANSWER
1 IMAGE
Asked by hempy

Truck Shuts Off

2014 GMC SIERRA
I Had My Truck Idling, While Doing So My Battery Light Came On. Then My Voltage Suddenly Started Going Down. I Tried Driving It To See If It...
1 ANSWER
Asked by calibear56

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