2004 GMC Envoy "engine surge" Questions

...engine will surge and then go almost hesitating When was your last tune up? Plugs, wires, seafoam? This is possible fuel pump problem check that u dont loose fuel pressure while driving . Also these ...

to stall and then the pressure will go back up. The oil pressure quage is moving around because the engine is slowing down and speeding up. As far as the idle surging goes try this

...engine to surge. (this is the MOST LIKELY  cause of the problem.)If this is all OK, sometimes it is necessary to force all of your computers to "hard boot"  if the battery cable has been ...

...idle, my lights flicker and I get power surges. Sometimes alternator doesn't charge. By racing the engine, it usually goes back to charging. I found a blown fuse for the OBD2 plug. Cleaned all

Idles good untill the ac is turned on, then engine surges for a couple of minutes and then stalls out Your throttle body is dirty and needs to be cleaned....Buy a can of throttle body cleaner. Now you

...engine lights come on. I also notice occasionally that there is a slight surge in power as I'm driving. Please offer advise on these truck problems. What is the fault code you receive when the engine ...

...and with slight turns, but once I make a hard turn (like driving in a circle or a right turn) the engine studders and the car stalls out. The steering starts getting harder as well. Any ideas on

...I put On the defroster or A/C the enginr stalls and is running rough. When I stop sometimes the engine surges and car bucks forward. Need some HELP PLEASE! Very common problem after a battery ...

i just replace the battery in my 03 envoy. no the engin surges when its idling. any reason for this and how it can be fixed?? As silly as this might sound, you more than likely disturbed a vacuum line

2002 envoy engine stumbling My Envoy has 185,000 and performs like new. Lately however the engine is stumbling and surging a little while driving, or at stop lights. What sensor should I try first. ...