GMC C1500 Engine Symptoms

I Have Checked Fuel Filter, Battery And Alternator Are Good, Ignition Module Has Tested Good, Found Vacumm Lines Bad And Fixed. Don't Know...

Replaced Plugs Wires, Icm, Cap, Rotor, Cool And Fuel Pump. No Start.

I Put A 16 Pound Cap For My Radiator On My 1989 Gmc Sierra 5.7l And It Began To Overheat And Leak Antifreeze From The Cap. Why Is This...

I Have A 1989 Gmc Sierra With 5.7l Rebuilt. I Might Have A Overheating Issue, The Temperate Raises To About 230 When I Start It Up And Drive...

I Start Truck Revs Up Than Slowly Falls To 5 Once Truck Warms Up Idle Goes Rough And Down To 4 And One Time Went Down Below That And Thought...

I Have Throttle Body. It Has Recently Started Idling Up And Down. Then It Will Idle Real High Like Choke Is Sticking, But I Thought...

I Have 1989 Gmc Sierra 1500 Sle It Has Been Redone And Now Has A 350 Small Block With 4 Speed Tran. Auto ( Bot This Way). It Cuts Out While...

When I Start My Truck It Runs Fine Till It Warms Up Then It Kicks Down And Struggles To Stay Running

This Is An 89 Gmc, With A 350 In It. I Just Bolted The Throttle Body Back On And Torqued It Down To Factory Specs. I Also Disconnected The...

I Cant Figure Out Revs Up Down No Power Will Rev But While Driving Has No Power, Wants To Die With Little Gas Like An Dead Spot But Will...