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Found 136 results
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Idle
Cylinder One Misfire
Hello, I Have The Truck Listed Above With A 4.3 Liter Vortec. I've Just Finished Changing The Cylinder Heads And Now I Have A Misfire...
Asked by
Mr.Joshua79
·
1 ANSWER
14 IMAGES
1998
GMC SONOMA
VIDEO
Intermittent Misfire
Instructional repair video
GUIDE
Misfire Random Code P0300
The world of automotive diagnostics can be complex, with numerous codes and potential issues to keep track of. One of the more common engine diagnostic codes is P0300, which...
1996 GMC Sierra #5 Cylinder Not Firing
I Had All Plugs And Plug Wires Replaced. Pcv Replaced. The Problem Is The Check Engine Light Is On And Reading #5 Cylinder Not Firing. The...
Asked by
thuja
·
3 ANSWERS
1996
GMC SIERRA
1998 GMC Safari Engine Miss Fires When Cold
My 4.3 V6 Litre Miss Fires When It's Cold After It Warms Up It Runs Better But Now It Won't Start At All It Cranks But Won't Crank Over.
Asked by
berjes06247419
·
10 ANSWERS
1998
GMC SAFARI
Multiple Misfire
I Have Replaced My Spark Plugs, My Wires, My Cap And Rotor. Got The Check Engine Light To Turn Off And Passed Inspection. Then Today Check...
Asked by
Stivale91
·
9 ANSWERS
7 IMAGES
2002
GMC SONOMA
VIDEO
How to Repair an Engine Cylinder Misfire
Instructional repair video
1999 GMC Sierra Engine Not Running Correctly
My Truck Is A Half Ton With The Z71 Off Road Package, It Has The 5.3l Engine And 4l60e Transmission, I've Put The Last 83k Miles On The...
Asked by
frankstl
·
8 ANSWERS
1999
GMC SIERRA
1993 GMC Sierra Truck Not Running Right
I Have A 1993 Gmc Sierra Truck 5.7l Motor. It Starts &runs Fine 1st Thing When Driving It After The 1st &2nd Cycles Of The Transmission. It...
Asked by
1952Chev Coupe
·
4 ANSWERS
1993
GMC SIERRA
GUIDE
Misfire
An engine tune up is necessary at manufacturers recommended intervals to maintain proper engine run-ability. A misfiring engine will cause, low gas mileage, low power output...
1996 GMC Sierra Engine Misses At High Speed
After Driving 15 - 30 Minutes At 65-70 Mph On The Highway The Engine Will Miss Several Times A Minute. You Can Tell The Engine Misses...
Asked by
robkat719
·
3 ANSWERS
1996
GMC SIERRA
Will Not Run Right
When The Fuel Pump Went Out For Some Reason I Got Gas In The Oil. So I Changed The Fuel Pump And Fuel Relay And The Oil And Spark Plugs. I...
Asked by
settergrenh
·
2 ANSWERS
1999
GMC SONOMA
Code Po300, Cylinder One Misfiring
I Put New Spark Plugs, Wires And Cap In And New Rotor Button, Still Has A Miss. When I Hook Up The Scan Tool It Shows Only Cylinder 1...
Asked by
redbone
·
8 ANSWERS
2 VIDEOS
3 IMAGES
1996
GMC SONOMA
All 4 Passenger Cylinders Not Firing, But Getting...
This Is A "start-over" From My Previous Post: Http://www.2carpros.com/questions/1996-gmc-57l-vortec-no-power-in-gear-good-idle The Other...
Asked by
96GMCSierra
·
1 ANSWER
1996
GMC SIERRA
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