hey i have a 91 gmc with a 4.3.. we have changed map,tps,iac,fuel pump, timing chain,rebuilt the tbi, egr, still wont idle or rev up.. any thoughts?

hey i have a 91 gmc with a 4.3.. we have changed map,tps,iac,fuel pump, timing chain,rebuilt the tbi, egr, still wont idle or rev up.. any thoughts? 1 Answer

Ok I have a 1994 GMC 1500 sierra 5.0 305 it dies in gear sound awesome in idle but dies if not on gas 3 Answers

Ok I have a 1994 GMC 1500 sierra 5.0 305 it dies in gear sound awesome in idle but dies have changed the tps,the EGR Vacuum Solenoid the Idle Air Control Valve , TBI Base Gasket,Fuel Pressure Regulat...

I NEED A REAL GURU ON THIS ONE!!! 1993 GMC K1500 5.0L Have changed most of the fuel system but still having issues of not wanting to start. 5 Answers

The truck is a standard cab with an 8ft bed and 131" wheel base if that makes any difference. So here is the scenario: the truck was having issues of starting and then would start to stall and I wou...

I have a 87 GMC Sierra 1500 1/2 ton 4.3 V6 quits running after 25 miles or so. 1 Answer

I drive 25 miles shut off. wouldnt restart. used starting fluid, got running. Later started shutting down when slowing for stop? Wouldnt start with fluid?? 106,000 miles. we have replaced distributor...

Iv got a 98 gmc 1500, just put a new jasper 350 in the other day and cant get started. i have fuel, compression, and spark, i know i have to time it with the computer once its started. but i cant get it started. any ideas? im sure i have it timed right, but also this distributer does not have the timing markings. 6 Answers

1998 GMC 1500 sierra 5.7 350