Questions & Answers for: GMC engine is surging

...SLT has about 112,000 miles. The engine sounds normal when the surging occurs, The fuel pump in new. No engine warning ligths come on; gauges are all in the normal range. rate me fixya! from

engine misses and surges it has new plugs wires engine misses and surges it has new plugs wires cap and button what else could it be not sure what you mean by "button" but make sure the wires are in ...

the engine surges 1998 diesel gmc suburban. The diesel engine surges. It used to stop when it got hot, now it's all the time. Injector pump is not old. Has new throttle position sensor. New fuel shut ...

while driving down the road at various speeds, engine will surges upward 300-400 rpms on tackometer. nothing shows up on computer at GM dealer. replaced rotors, checked plugs, with no change in rpm ...

...Are you talking about the coolant reservoir? There should not be any water in the system. Only engine coolant. Anyway, it is easy to remove the coolant tank. They are typically secured by two or ...

...engine surge have a twenty minute commute. some days hardly a surge at all. then some days its every time i stop for a light. find it mostly surging on the high rpms right before changing gears. ...

...the main engine computer was replaced 7 months ago but at crank idle drops then surges over 1000rpm then drops to normal. Is also surging up at times while driving. Help Bad throttle position

...surging. once the engine is warrm there is no surge Fuel pump needs time to build up pressure . Do this by turning the ignition on for a fer seconds before you start the vehicle Check the ECT Engine ...

1. no service codes 2. engine starts perfect 3. smooth power at all speeds 4. when idling, in park or drive the engine has a cyclical engine surge. The surge rpm is equal to fast idle. The repeating ...

...engine surging. The IAC valve may need cleaning or replacement. Electrical Issues: Faulty electrical connections, such as loose or corroded wires or connectors, can cause intermittent power supply to ...