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Related Cadillac Questions
Check engine light on Code PO442 is showing already change
Check engine light on Code PO442 is showing already change gas cap car starting to use more gas … read more
Roy
Roy
shop foreman
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Check gas cap light is on, new cap, 2003dville, 2003,
nothing my grand son took it to a dealer and they checked it and come up with and recommend thease parts knock sensor, po 440 evap system and po 502 vehicle speed sensor … read more
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Cadillac CTS: I have a check engine light and when I had AutoZone
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Ron Z.
Ron Z.
Vocational, Technical or Trade Scho
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Cadillac Deville: 1997 Cadillac Deville Northstar.
1997 Cadillac Deville Northstar. 10 MPG fuel economy and smell of uncombusted fuel from exhaust. Codes are P0154 P0155 P1441. Verified that gas cap is on tightly. 1. Can we work on the O2 sensor and e… read more
Matt
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My 2008 ctsshuts off when ever remove the gas cap.Runs great
My 2008 cts shuts off whenever I remove the gas cap.Runs great but hard to restart after refueling and reinstalling gas cap have to press down on acceleration pedal to restart.… read more
Pete
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prob..new starter for the 1995 Cad SLS 4.6..ignition key
Hi again Eric, New prob: I might need a new starter for the 1995 Cad SLS 4.6. The ignition key switch would not start the car. For a month this was a recurring problem that would correct itself with a… read more
Eric
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2001 Deville: volt..evap..vent..gas cap was tight)
I have a 2001 Deville with 2 engine codes. The first P1639 "manufacturer controlled computer and auxilary outputs" or "5 volt reference 2 circuit" and P0446 "EVAP emission control system vent circuit … read more
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2000 Cadillac Eldorado: malfunction..the dashboard display..gas cap
I have a 2000 Cadillac Eldorado ESC. The problem is a engine code P0440 EVAP system malfunction. Also the dashboard display says check gas cap. I have replaced the gas cap and reset the light. It will… read more
Dan
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Vocational, Technical or Trade Scho
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Cadillac: My Service Engine Light..my fuel..fuel guage doesnt work
Cadillac Techs only, please. I have a 2001 Cadillac Seville STS. My "Service Engine Light" is on and my fuel guage doesnt work. I had the codes read and it showed Po340, Po446, and p1639.… read more
Jerry Newton
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1999 DeVille: check engine light on..EVAP..control system..malfunction
I have a 1999 DeVille with check engine light on. I have pulled up the code P0440, EVAP Emission control system malfunction. What dose this mean, and how can i solve this ???? THANKS! TOM...… read more
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Cts: there a part called evap control vavle if so where..cad..6cyl
is there a part called evap control vavle if so where is it located on the 2003 cad,cts,6cyl.… read more
John
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Cadillac CTS: the car runs smooth again.It..car ran..throttle body
My Cadillac CTS 2003 was not running smooth. I checked the DTC and found them: P0221C, P2176C, P2135C I cleared the DTC codes and the car runs smooth again. It happened before and it was developed to … read more
Jerry
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i have a 2004 cadillac cts. 3.6L my check engine light came
i have a 2004 cadillac cts. 3.6L my check engine light came on and it gave me 2 obd codes P0446B Evaporative Emission Vent System Performance and P0496B Evaporative Emission System flow during non-pur… read more
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Escaping: I cant fill my gas tank..few seconds..gas cap
I cant fill my gas tank. AT the pump, it keeps shutting off every few seconds like the tank is full. Also when I remove the gas cap, I hear a lot of pressure escaping. Its like the gas tank tube is bl… read more
Randall C
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2003 CTS: Base model..me Check Engine light indicating Purge Valve
2003 CTS Base model. Dealer telling me Check Engine light indicating "Purge Valve". Saying over $500 to correct. I'd like to correct issue fo r mush less $$$ especially when parts apear to be 20 to 50… read more
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George H.
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STS: Cadillac..diagnostic..ECM..purge or vent solenoid failure
We have a 05 STS Cadillac and the the service soon engine light will not go out. The diagnostic results said ECM has detected pressure in the EVAP system during a non-purge condition..probable cause: … read more
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escalade: check engine lite..my 06..code pulled up a backup emissions?
i have a check engine lite on my 06 escalade. the code pulled up a backup emissions? what could it be and is it something i can change out my self? ( i am a mechanic)… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
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Im trying to change my fuel pump in my 03 cadillac cts, but
Im trying to change my fuel pump in my 03 cadillac cts, but im having a hard time getting to the 2 bolts that mount the straps. Whats the trick?… read more
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JOHN aka Eauto
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Meet the Experts:

Jerry Newton

Jerry Newton

Cadillac Technician

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

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Dave Nova

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ASE Master Certification. GM World Class Certification

Gm Tech (Cam)

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John

John

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

Chris (aka- Moose)

Chris (aka- Moose)

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16 years of experience

George H.

George H.

ASE Certified Technician

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ASE Master Tech 15+ Years

Don - Mo Lurch

Don - Mo Lurch

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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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