Questions & Answers for: GMC Savana idle

Van has to sit overnight after long idle, in order to start. I have a 99 GMC Savana 1500 Conversion Van with a 5.7L motor. Generally speaking, the van runs great. Every once in a while, it just won't ...

2001 gmc savana2500 v8-when engine is cold; it will not easy start and it will idle, if you don?t press the gas accelerator. After it warm up it start and idle ok-check engine is on, w/ code check the

...a check engine light that when trouble shot says iac valve or motor. 100K miles and when driven the idle is extremly high. But if you drive it 60 miles on howay and then stop and restart the ...

...when cold hard start when hot. Engine revs very high and levels out again. This goes into cycle of idle and revs. Bad exhaust smell! Sometimes black smoke and fuel smell when restart! Very rough ...

...The dealership said that they put it on the scope and its not pulling any codes replace the idle air control valve. this usually will not set a code for this condition. ??? What happens when ...

1999 savannah 2500lturn on fan or directionals motor starts missing running rough at low idle For rough idle issues and problem troubleshooting,go through the help links provided below :-----van idles

...body on the right side throttle chamber there is a funny triangle cut into the bottom of it. The idle air control is on the bottom of it spray some throttle body cleaner in it you may haft to do

2003 gmc savana rough idle then shuts off have a 2003 gmc savana 3500 6.0L engine not getting any code however the engine has a rough idle put it in gear either reverse or drive it shuts off have so ...

...is running between 100 - 160 degrees, seems too cold. The oil pressure gauge is showing that at idle is around 15 psi, when driving is at 30 - 40 psi. However, after a long road trip and sitting ...

...when I hit the brakes it shuts off. Could be a bad vacuum leak (a vacuum leak would cause a rough idle or high idle). Or the TCC solenoid is stuck on. Have the codes