High RPM problems with my Cadillac

wberkey
0

Asked by wberkey Mar 19, 2013 at 08:27 PM about the 2003 Cadillac DeVille

Question type: Maintenance & Repair

My cadillac deville is having engine problems. It was having trouble starting (I would have to hold
down the gas pedal and keep the engine idling so it would stay on and not stall out). I took it to a
mechanic and it decided to work fine for him, but he said he cleaned out the throttle body and reset
a few computer codes. After I got it back, I noticed the car seems to jump when I slow down and the
car shifts into 1st gear, but it happens at random. Over the last few days though, the engine has been
idling at higher and higher RPMs, usually above 1000 when I'm stopped. Today, I was driving back
from work, and on the highway it was staying close to 3000. What is wrong? What can I do to fix it?
Can I take it back to the mechanic and have it fixed? Because it wasn't running this bad before he
worked on it.

2 Answers

Steve Sorensen
85

What codes were they? High idle is often caused by an intake leak.

cadi1999
120

ive changed the tps sensor and the mass airflow sensor on my deville i had the problem of high idle after i changed them after 50 some miles it stopped i was told it has to cycle for the computer to accept the sensor being that he probly unhooked the mass air flow sensor and tps to remove throttle body to clean most likley thats ur problem unless he sprayed cleaner on the mass af sensor if not using the right kind could ruin it causing same problem

3 out of 3 people think this is helpful.

Your Answer

Related Questions

DeVille
Looking for a Used DeVille in your area?
CarGurus has 3,401 nationwide DeVille listings starting at $995.
ZIP:

Search Cadillac DeVille Questions

Cadillac DeVille Experts

#1 kikero
kikero
Reputation 950
#2 dandyoun
dandyoun
Reputation 500
#3 chassy
chassy
Reputation 440
View All

Related Models For Sale

Used Cadillac Seville"
9 Great Deals out of 762 listings starting at $1,495
Used Cadillac CTS"
408 Great Deals out of 19,773 listings starting at $3,450
Used Cadillac Eldorado"
3 Great Deals out of 502 listings starting at $2,955
Used Lincoln Town Car"
114 Great Deals out of 3,184 listings starting at $1,200
Used Chevrolet Impala"
1,831 Great Deals out of 59,895 listings starting at $1,250
Used Cadillac Escalade"
207 Great Deals out of 7,179 listings starting at $2,950
Used Mercedes-Benz S-Class"
239 Great Deals out of 6,719 listings starting at $2,647
Used BMW 7 Series"
143 Great Deals out of 5,701 listings starting at $2,895
Used Cadillac SRX"
267 Great Deals out of 16,807 listings starting at $3,900

Used Cars For Sale

2005 Cadillac DeVille For Sale
22 Great Deals out of 432 listings starting at $3,455
2004 Cadillac DeVille For Sale
15 Great Deals out of 528 listings starting at $2,950
2003 Cadillac DeVille For Sale
14 Great Deals out of 443 listings starting at $1,995
2002 Cadillac DeVille For Sale
6 Great Deals out of 426 listings starting at $2,499