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Cadillac DTS 2006. 52K miles 55 psi fuel pressure. Cranks
Cadillac DTS 2006. 52K miles 55 psi fuel pressure. Cranks but will not hit at all. Was running great. I have pictures from scanner OBD2 Innova 3020… read more
Jerry Newton
Jerry Newton
Cadillac Technician
Vocational, Technical or Trade Scho
5,694 satisfied customers
Missing going down the road. just changed the coil pack on
missing going down the road. just changed the coil pack on the front of the northstar due to p300 and p304 codes. smoothed it out at idle now rough going down the road … read more
Clayso
Clayso
Shop Owner Master Technician
ASE Master Certified Automobile Technician
879 satisfied customers
Cadillac: Changed starter on 2006 cadillac dts it turns over
Changed starter on 2006 cadillac dts it turns over and just won't start changed ignition coils and spark plugs… read more
Amedee
Amedee
Automotive Consultant
Vocational, Technical or Trade Scho
19,605 satisfied customers
CADILLAC COUPE DEVILLE: WHENEVER THE CAR GETS HOT OR I MAKE
WHENEVER THE CAR GETS HOT OR I MAKE A FEW DIFFERENT STOPS AT STORES.....THE CAR WON'T START. I HAVE TO WAIT BETWEEN 5 AND 15 MINUTES OR SO FOR IT TO COOL DOWN AND THEN IT TURNS RIGHT OVER. 1990 CADDY … read more
Eric
Eric
Retired
N/A
33,772 satisfied customers
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
Eric
Retired
N/A
33,772 satisfied customers
99 STS: northstar..Engine overheats..Back history: Radiator replaced.
Boggled by a '99 STS with a Northstar. Engine overheats. Back history: Radiator replaced. Month later, tensioner pully failed, car got hot QUICK. Shut down. Limped back. Replaced tensioner, burned upp… read more
Dave Nova
Dave Nova
Cadillac Technician
Associate Degree
1,522 satisfied customers
2003 CTS V: 5 Coil Pack and engine ran fine till I took..mile..crank
I have a 2003 CTS V-6 and replaced the 1-3-5 Coil Pack and engine ran fine till I took on a test drive. Made it about a mile and the engine shut off. The engine will crank but not start. It sounds lik… read more
John
John
ASE Certified Technician
2 YEARS COLLEGE
941 satisfied customers
2004 DTS: the Service Engine Soon light comes..cylinders..misfire
I have a 2004 DTS with 56K miles. Ocassionally the " Service Engine Soon " light comes on and I get a P300 code - engine missfire & it feels like the car is running on 7 cylinders. Then the misfire st… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,359 satisfied customers
2004 Cadillac DTS: 25,000 miles..rough..service engine light came on
I have a 2004 Cadillac DTS (4.6L Northstar) with 25,000 miles. Other than maintenance (lube, oil) it has never required any shop work. A few months ago the engine idled rough and the "service engine" … read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
99 Cadillac Seville: V8..electronics..the engine doesnt turn
I have a 99 Cadillac Seville with a Northstar V8. I am having an issue getting it started. I turn the key and the electronics come up but there's no click or spark and the engine doesn't turn over at … read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
1990 CADILLAC DEVILLE: 000 miles..driven..other Caddy to garage
1990 CADILLAC DEVILLE IGNITION PROBLEM I bought a Cadillac in Florida that only had 56,000 miles on it and had it in the garage for later use. Car got driven 3 -4 times a year when I went down.. Decid… read more
Eric
Eric
Retired
N/A
33,772 satisfied customers
2000 Eldorado ETC: 000 miles..my service engine soon light..diagnostic
I have 115,000 miles on my 2000 Eldorado ETC 4.6 300 HP Northstar. Today after being on the interstate my service engine soon light came on 55-65 MPH and I later put the car into diagnostic mode while… read more
Dave Nova
Dave Nova
Cadillac Technician
Associate Degree
1,522 satisfied customers
Cadillac Deville DTS would lke to change intake manifold
would lke to change intake manifold gasket 2003 DeVille DTS 4.6 Northstar dtc's 172, 174 keep coming up I sprayed carb cleaner around intake idle changed when sprayed drivers side front Do you think t… read more
John
John
ASE Certified Technician
2 YEARS COLLEGE
941 satisfied customers
2001 cadillac deville DTS: engine shakes like it has a mist fire..pins
my 2001 Cadillac Diville DTS, the engine shakes like it has a mist fire the plugs has been chandged about 5 monthes ago. when i look for wires on the computer they show me some pins. could this be the… read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
2001 seville sls: Trouble codes p307, num 7 misfire..coil..circuit
2001 seville sls 4.6 northstar. Trouble codes p307, num 7 misfire an p357, num 7 coil circuit problem. Has misfire and runs rough. Replaced 1 3 5 7 coil pac.(near firewall), num 7 plug w/ ac delco pla… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,359 satisfied customers
2000 Deville DHS: 73,800 miles..private owner..drives and sounds good
2000 Deville DHS with 73,800 miles, private owner selling for $5500. Car Fax clean. Car looks, drives and sounds good. All routine maint. done over the years. Sat for 6-8 months per year while owner l… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
10,913 satisfied customers
1995 cadillac Eldorado: few miles..restart..car runs fine no misses
I have a 1995 cadillac Eldorado with a northstar 4.6 the car dies radomly after a few miles you can just restart it and go again until it decides to do it again car runs fine no misses when it runs.… read more
Eric
Eric
Retired
N/A
33,772 satisfied customers
94 eldorado: the fuel rail and all injectors..regulator..ran fine
I have a 94 eldarado with the northstar in it just replaced the fuel rail and all injectors and the presure regulator started it up and it ran fine took it to the gas station and filled it up then it … read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
12,732 satisfied customers
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Meet the Experts:

Jerry Newton

Jerry Newton

Cadillac Technician

5,694 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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