BECOME A MEMBER
Sign up with Facebook
I agree to the
Login with Facebook
NOT A MEMBER?
1988 GMC TRUCK
88 gmc 90 motor backfires and pops on hills when heavy accleration is applied. What wrong tried new plugs
have the same problem?
Wednesday, January 12th, 2011 AT 4:11 PM
Maybe weak ignition coil pull wire see if spark is blue/white if orange/yellow replace
Please consider a donation if we helped you
Wednesday, January 12th, 2011 AT 8:56 PM
to post a reply.
Related Engine Backfire Questions
1995 Gmc Truck Backfiring
Engine Performance Problem 1995 Gmc Truck V8 Four Wheel Drive Automatic 240000 Miles When I Accellorate I Loose Rpms, When I Let Off...
Truck Not Starting
Truck Won't Start. Ran 2 Days Ago Fine, Checked Battery. Tried Jump Starting. All It Will Do Is Click, Will Not Turn Over.
1988 Gmc Truck Stalls At Stops
Starts Fine And Runs Till I Come To Stop Then It Dies. I Have Replaced Torque Convertor. Map Sensor, Trottle Body, And All Little Things...
1988 Gmc K1500 5.7 Tbi 5 Speed Runs Fine When Cold But...
I've Changed Fuel Filter, Egr Valve, Dist. Cap And Rotot Button, And Pickup In Dist.
Ask a Car Question. It's Free!
Find a car manual for your car
© 1999 - 2017 2CarPros, Inc.