Cadillac DeVille Problem Report

Cadillac DeVille Rough Idle Due to EGR Valve Sticking Open

(43 reports)

The EGR valve may stick open, causing a rough idle and/or the Check Engine Light to illuminate.

My engine idles high when I start and idles down after a few minutes what may be the problem -
rough idea when stoping at lights oor just ingaged into drive -
about the EGR i have the same problem.... the EGR is 150.00 200.00 never buy used from a junk yard or clean them i did both and lost money. you have to buy new! -
car was idling at 1325rpm idle control motor was not open and closing like supposed to. -
egr valve replaced -
Car idles roughly and ocassionally stalls. -
having this problem right now. its hard to control the car when this happens and the mechanic can't fix it unless I can get it there so he can see/hear it. it usually dies down by the time I get there, but it returns randomly. -
ran rough till i got it repaired at dealership. very expensive -
sometimes my car will cut off wile i;m warming it up or try to choke out at a stop light -
rough idle ony when first start engine -
I'm hving the same issue any suggestions on how too rectify this? -
Rough idle. Just started after a 2 hour drive. Run fine until I stop the it seems to chug. -
Dies at any stop or normally when I 1st put it in drive -
Related Items:
this is a 1997 cadillac deville with the 4.6 liter northstar V8. it has 170,000 miles on it -...
How do you replace an egr valve
rough idle at start up. runs okay on road