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Cadillac STS: I have a Cadillac STS 2006 4.6Liter where I
I have a Cadillac STS 2006 4.6Liter where I received an error code P0430. I have replace all four 02 sensors. My reading using a scanner is the same as before. Below are the readings at idle: O2 B1 S1… read more
Jerry Newton
Jerry Newton
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Vocational, Technical or Trade Scho
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Cadillac Deville: my 2003 caddy deville wants to jump forward
my 2003 caddy deville wants to jump forward when I stop at a traffic light, rather than stay completely stopped. it also wants to go forward when in park. it is more likely to do this after it has bee… read more
George H.
George H.
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Cadillac STS: 2005 3.6 V6 Cadillac STS: Engine lite blinks
2005 3.6 V6 Cadillac STS: Engine lite blinks when I accelerate suddenly; when I go uphill, engine hesitates like it wants to cut off (misfire). I recently got both catalytic converters and O2 Sensors … read more
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Chris (aka- Moose)
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My SRX is driving me nuts. For some time now (1/2 year) is
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Daniel
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BOBBYSS
BOBBYSS
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cts: coil pac l..timing belt water pump pulleys sesors..run fine
2003 cat. cts check eng lite keeps coming on took it to master mec. he replaced the coil pac l/r side plugs also replaced timing belt water pump pulleys sesors it still come saying 1 3 5 piston are mi… read more
Neal
Neal
Auto repair pro, 30 years experience
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my service engine light came on .ran diagnostic codes.
my "service engine" light came on .ran diagnostic codes. got P0433.any idea if that is the reason for the" engine" light? If so what are the possible causes for this code?… read more
Neal
Neal
Auto repair pro, 30 years experience
Associate Degree
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2003 cadillac deville: a PO420..below threshold..converter..02 sensor
I also have a 2003 cadillac deville with a PO420 codethat says catalyst system efficency below threshold bank 1. Does this mean I need to replace the converter? I had a code for the 02 sensor so I rep… read more
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Cts: obd2..this problem some time the idle start to be rough
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Dave Nova
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CTS: are o2 sensors..emmisions warranty..light keeps coming..reads
Are o2 sensors and the catylitic convertor covered under the emmisions warranty by Cadillac. My CTS has only 64K on it and the chcek engine light keeps coming on, the troubleshoot code reads P0420, an… read more
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1999 Cadillac Catera: a misfire on 2-4-6, and 1 popped up as well
1999 Cadillac Catera. Had a misfire on 2-4-6, and 1 popped up as well. The plug was pretty bad on 1. I replaced the coil pack for 2-4-6, and replaced plugs. When I hooked it up it shows O2 sensor (hav… read more
Pete
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We changed the purge valve selonoid canister..catalytic converter
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David H
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90 Eldorado: converter ran great..it warms up it slows down..drops
90 Eldorado i replaced the Cadillac converter ran great for a week, but now it won't go over 25 mph. cold it'll go to 55, but when it warms up it slows down. checked fuel pressure it is at 40 then dro… read more
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2005 Cadillac Deville: oxygen sensor..the dashboard diagnostics
2005 Cadillac Deville I have codes P0036 and P0141 I replaced the rear oxygen sensor and reset the dashboard diagnostics, but both codes came back.I read online that it might be an oxygen sensor groun… read more
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Tim West
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DEVILLE: I HAVE 2 CARS..HAD 5 BAD INJECTORS, bad egr, AND COOLANT
I HAVE 2 CARS I HAVE QUESTIONS ON. THE 1ST IS A 90 CADDILAC SEDAN DEVILLE 4.5 THAT HAD 5 BAD INJECTORS, BAD EGR, AND COOLANT TEMP. SENSOR. I REPLACED ALL AND CAR RUNS A LOT BETTER KNOW BUT THE H.C'S A… read more
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2005 3.6 v6 cadillac sts engine is hesitating at high speeds
2005 3.6 v6 cadillac sts engine is hesitating at high speeds and runs rough at low speeds. Check engine light flashes on and off.… read more
BigBob
BigBob
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,We purchased a 2004 cadillac cts 4 dr.sedan 3.6L about 1 month ago.
Hi,We purchased a 2004 cadillac cts 4 dr.sedan 3.6L about 1 month ago. It had been in storage and only had 94 miles on it. We love the car,took it to a dealer had the oil changed and other fluids and … 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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