Cadillac DeVille Problem Report

Cadillac DeVille Rough Idle Due to EGR Valve Sticking Open

(44 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 -
car was idling at 1325rpm idle control motor was not open and closing like supposed to. -
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! -
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 -
Harsh start egr sticking open can't solve disfunction. I did a parsidic draw test and found out it was my comfort fuse draining my battery. Well, I started pulling it every night and everything was working good new egr valve and battery give or take 2 months car starts acting up even with fuse pulled. -
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
When putting auto in Reverse and idling out of the garage, it "jerks" and does not run smooth....
The EGR control solenoid or EGR valve may fail causing the Check Engine Light to illuminate.

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