1999 Chevrolet Express "idle" Questions

...exact same Van. I simply adjusted the throttle cable under the hood. So that instead of trying to idle around 350rpm, it is now idling between 500-550rpm. Hope this helps. *I did, at first, change ...

Chevy Express idles rough Please help! I have 2002 Chevy Express 5.0L. It's has a problem idling rough and when I put any kind of load on like putting it in gear or turn on AC it idles super rough. ...

What is the idle speed for a chevy express 1500 2005 at the time of a tune up. you never adjust the idle speed, it is computer controlled, if there is a problem then you must clean or replace the idle

...to have progressed (with all the recent wet weather) to the following: now the engine is racing in idle and will travel up to 40 mph without stepping on the accelerator, almost like the throttle is ...

idles high even when driving fast idle is usually a sign of vacuum leak

after cranking it idles fine but after about a min. it starts idling really high. I can't find any vacuum leaks. is there any of the controle modules that would cause this ? Are you sure that this is ...

My gmc 02 exspress van idle is very weak, replaced the plugs and wires and just finished replacing both oxegen sensors, seems better but just did a test drive after a ten minute warm up and did not ...

...oil pressure gauge fluctuate with speed The oil pressure guage will fluctuate with engine RPM. At idle it should be approximately 20 lbs./sq.in, at high revs about 50-60 lbs./sq.in. Hope this helps ...

engine idles high when first started after tune up and takes long for kick down 1999 chevy van 1500 express 350 Hi edsan 58, Most gas injected engines run at a higher speed when started from ...

idle too high At first start up and the engine is still cold, the idle is a little high which is normal. But the idle start to rise higher and higher as the engine gets hot. Replaced the very ...