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Related Cadillac Questions
CADILLAC DEVILLE WILL NOT CRANK. WAS DOING FINE BUT NOW WILL
WAS DOING FINE BUT NOW WILL NOT TURN OVER CLICK OR ANYTHING … read more
Amedee
Amedee
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Vocational, Technical or Trade Scho
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I need to replace the oxygen sensor on my 1996 Cadillac
I need to replace the oxygen sensor on my 1996 Cadillac DeVille … read more
Ron Z.
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Irratic idle - sometimes high and sometime undelates when
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Dan
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I replaced the ecm and i still get p0036 p0058 p0030 p0135
i replaced the ecm and i still get p0036 p0058 p0030 p0135 p0141 p0161 p0134 … read more
Chris (aka- Moose)
Chris (aka- Moose)
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Vocational, Technical or Trade School
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I have a problem finding the oxygen sensor heater relay JA:
I have a problem finding the oxygen sensor heater relay … read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
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Cadillac Deville: 1996 Cadillac Deville – After driving on
1996 Cadillac Deville – After driving on the road for approx. 1 hr. when you slow down to a stop the engine will stall out. If you wait approx. 30-45 seconds it will start back up and run fine till th… read more
Amedee
Amedee
Automotive Consultant
Vocational, Technical or Trade Scho
19,990 satisfied customers
1999 deville: 02s, map, tps, iac sensors and egr valve..air filter
can't find the problem in 1999 deville. Code are 101, 171, 174 and 300. Did a major turnup with plugs, wires, coils, 02's, map, tps, iac sensors and egr valve with new air filter. help.… read more
Dave Nova
Dave Nova
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Associate Degree
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Cadillac DeVille: Diagnostic scan tool..02 Heater Bank 1 sensor
Cadillac DeVille 1999, Fuel mileage has decreased from 22 mpg to 10 mpg , just noticed since the last fill up last week. Diagnostic scan tool: P1599cc power management P0147 02 Heater Bank 1 sensor 3 … read more
Dave Nova
Dave Nova
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Associate Degree
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1991 cadillac deville: it sat..started right..throtle..gas peddle
i have a 1991 cadillac deville it sat for 5 years and i went and put it on the road it started right up and ran like a charm but now when you start it all it wants to do is spit spudder and pop thur t… read more
David H
David H
Vocational, Technical or Trade Scho
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Cadillac Deville: intake..back fires..it actually be the sensors
My cadillac Deville 1996 takes a long time to turn on and i was told that is the sensor in the intake needed to be replaced, when i tried to turn it on it sometimes back fires, so can it actually be t… read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
1997 deville: no engine knock, no smell..trouble codes p0171
What are the causes for my 1997 Devill with Northstar engine to start having reduced gas milage? Tire pressure seems good, no engine knock, no smell of gas leak, car seems to run ok, every now and the… read more
Pete
Pete
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General auto certifications
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2004 deville DTS: Cadillac..Too lean..3 &4 Check engine light comes on
My Cadillac 2004 deville DTS has 4 codes. Too lean bank 1,2,3 &4 Check engine light comes on. How do I fix this?… read more
Dave Nova
Dave Nova
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Associate Degree
1,522 satisfied customers
Deville: air sencer that go on air filter and intake gasit..ac..mile
MY 04 deville check enigine light is on I put a 02 sencer on it and air sencer that go on air filter and intake gasit and put some plug,s but not ac but the car run good but the light want stay even w… read more
Dave Nova
Dave Nova
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Associate Degree
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2001 Cadillac deville: check engine light..engine light came
I have a 2001 Cadillac deville it has check engine light on the codes were PO171 PO174 I already changed fuel filter ran a little better but then engine light came on again with the same codes plus a … read more
Dave Nova
Dave Nova
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Associate Degree
1,522 satisfied customers
Rough idle..drivers side bank, got two codes..One was random misfire
Rough idle, low power, not getting any spark hardly through the driver's side bank, got two codes. One was random misfire, the other was that it was idling too fast. I'm leaning towards TP sensor. wha… read more
Mazda Ed
Mazda Ed
Lead Technician
High School or GED
2,269 satisfied customers
1996 cadillac sts: my check engine soon light will go away
I have a 1996 cadillac sts. I am trying to clear all the codes out so my check engine soon light will go away. I currently have the P0134 code. Which is inssuficient activity bank 1 sensor 1. I have a… read more
AutoDoc
AutoDoc
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Bachelor's Degree
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Cadillac deville: the computer, o2 sensor, map..TPS..EGR..distributor
i have a 94 4.9 cadillac deville (Not the Northstar) , low mileage which has an intermittent stumbling problem and at times completely cuts out like it is running out of gas. I have replaced all the e… read more
rpmdiag
rpmdiag
High school
8,450 satisfied customers
2003 Cadillac Deville: 90,000 miles..stop light..Restarts..Whats wrong
2003 Cadillac Deville -90,000 miles , has stopped several times in last 6 months- always at a stop light. Restarts just fine. Whats wrong?… read more
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Meet the Experts:

Jerry Newton

Jerry Newton

Cadillac Technician

1,738 satisfied customers

ASE Master Technician, L1, Master GM Technician. Over 20 years of bumper to bumper GM experience.

Dave Nova

Dave Nova

Cadillac Technician

1,522 satisfied customers

ASE Master Certification. GM World Class Certification

Gm Tech (Cam)

Gm Tech (Cam)

Cadillac Mechanic

1,090 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

John

John

ASE Certified Technician

941 satisfied customers

ASE CERTIFICATIONS A1-A8 & L1 / 40 YEARS AUTOMOTIVE EXPERIENCE

Chris (aka- Moose)

Chris (aka- Moose)

Cadillac Technician

811 satisfied customers

16 years of experience

George H.

George H.

ASE Certified Technician

783 satisfied customers

ASE Master Tech 15+ Years

Don - Mo Lurch

Don - Mo Lurch

Cadillac Technician

705 satisfied customers

GM, Cadillac Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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