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Weare getting codes a po347 and po 393 and po 300 and po302
weare getting codes a po347 and po 393 and po 300 and po302 po 304 po306 all on bank 2 … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
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Misfire cylinder three 2007 Cadillac CTS 2.8 .We have
Misfire cylinder three 2007 Cadillac CTS 2.8 .We have changed spark plugs, coil pack, injector, wire, intake gasket. It runs fine on the road just when idle it is rough. … read more
Jerry Newton
Jerry Newton
Cadillac Technician
Vocational, Technical or Trade Scho
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Does the 2003 cadillac cts 3.6l have an internal oil cooler,
does the 2003 cadillac cts 3.6l have an internal oil cooler, getting oil in my engine coolant. … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,906 satisfied customers
Po300 po301 po303 po306 codes bad miss in motor happened
po300 po301 po303 po306 codes bad miss in motor happened after hard acceleration on to pkwy 82000 on motor oil changed every 3000 miles never let lower than 1 quart down … read more
rpmdiag
rpmdiag
High school
8,125 satisfied customers
5th cylinder misfire, steady and 101000, 2009 Cadillac Cts
I was looking for a coil and plugs dealer said 5th cylinder coil … read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
10,907 satisfied customers
My 06 cts sounds like misfire but replaced all plugs, coils,
My 06 cts sounds like misfire but replaced all plugs, coils, timing gear kit and bad injecter. Check engine, trac control, abs, and brake light are on. … read more
Chris (aka- Moose)
Chris (aka- Moose)
Cadillac Technician
Vocational, Technical or Trade School
55,134 satisfied customers
I have a Cadillac CTS 2005. My check engine light came on
HI Mike, I have a Cadillac CTS 2005. My check engine light came on yesterday. I took it to autozone to get the codes read. It got po300, po301, p0302, po305, and po306. What could be going on? Bad spa… read more
Ron
Ron
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Vocational, Technical or Trade Scho
37,596 satisfied customers
Cadallic 2005 cts 3.6l replaced plugs and when I put it back
Cadallic 2005 cts 3.6l replaced plugs and when I put it back together it ran ragged. Code reads misfires on cylinder 2,4 and 6.… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,589 satisfied customers
Ron, I've got an issue w my 2006 cts 2.8l. It was running
Hey Ron, I've got an issue w my 2006 cts 2.8l. It was running rough and I had a scanner put on it at autozone. It gave error codes po300, po302, po305 and po303. I took it to my mechanic who replaced … read more
Ron Z.
Ron Z.
Vocational, Technical or Trade Scho
20,086 satisfied customers
I have 4 cadllac CTS and last one 2005 3.6 hove some problem.misfire,2,4,6
I have 4 cadllac CTS and last one 2005 3.6 hove some problem.misfire,2,4,6 and P0018,19 CMP position. I change spark plug, new intake gasket upper and lower.I bought this car with broken oil pan. I fi… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,589 satisfied customers
Cadillac STS: Randell, I have a 2006 STS with a 3.6 the last
Randell, I have a 2006 STS with a 3.6 the last eight of the VIN 60221158. The check engine light is on and I'm getting codes po300 - po301 - po303 - po305. Obviously the entire odd bank of the engine … read more
Wayne Crawford
Wayne Crawford
3,944 satisfied customers
Cadillac SRX: I have a 2006 SRX that is misfiring at high speeds.
I have a 2006 SRX that is misfiring at high speeds. PO300, PO302, PO304, PO306. I move all the ignition modules and fuel injectors to the other side but still the same. I replace both upper and lower … read more
Wayne Crawford
Wayne Crawford
3,944 satisfied customers
2007 Cadillac cts 3.6 74,000 miles misfiring at idle and sometimes during acceleration, a
2007 Cadillac cts 3.6 74,000 miles misfiring at idle and sometimes during acceleration, also going uphill. Check engine light on. OBD II code 304 cylinder 4 misfire. Cleared that. Several attempts wit… read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
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Cadillac Deville DTS: I have a 2000 cadillac deville dts, and
I have a 2000 cadillac deville dts, and I'm having a ruff idle. When I drive and give it gas it's fine, but when I stop the engine shakes. I put the obd II scanner on it, it says that there's a cylind… read more
George H.
George H.
ASE Certified Technician
Associate Degree
783 satisfied customers
p300: Engine light went..Cylinder 1 misfie..vehicles..hesitation, etc
Engine light went on..had it checked and the mechanic said the following: PO300 Engine Misfire detected and PO301 Cylinder 1 misfie detected, Light went on after a relatively hard acceleration to pass… read more
Ivan
Ivan
Automotive Instructor
Bachelor's Degree
4,857 satisfied customers
Cadillac CTS: OBD..me back code PO302 cylinder 2 misfire..dealership
My cadillac CTS 2004 engine light went on. I connect my OBD and it gives me back code PO302 cylinder 2 misfire...what do I do so I won't get ripped off at the dealership?… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
13,107 satisfied customers
2005 cadillac cts: car rides rough..misfire in the #1 cylinder
I have a 2005 cadillac cts with a 3.6L engine. The engine light stays on and the car rides rough. The computer says a misfire in the #1 cylinder. I have since put in an new coil,spark plug and a fuel … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,906 satisfied customers
2006 cadillac cts: i take off the manifold..spark plugs..disconnecting
how do i take off the manifold on my 2006 cadillac cts 3.6L to get to the spark plugs with out disconnecting anything… read more
fix that car
fix that car
High School or GED
488 satisfied customers
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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

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ASE Master Certification. GM World Class Certification

Gm Tech (Cam)

Gm Tech (Cam)

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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

55,134 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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