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I have a 2005, Cadillac, CTS, 3.6l, V6, 95k miles. Engine
I have a 2005, Cadillac, CTS, 3.6l, V6, 95k miles. Engine starts fine, idles very well for a couple of minutes, then begins to idle roughly. At highway speeds engine runs very well, sluggish under loa… read more
MastertechRob
MastertechRob
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Misfiring on left bank cylinders 2,4,6, change all coils and
Misfiring on left bank cylinders 2,4,6 , change all coils and spark plug still missing on left bank help please … read more
kalamykid
kalamykid
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miss firing 135 JA: What is the model/year of your Cadillac? Customer: 2003 cts 3.2 JA: Are you fixing your CTS yourself? What have you tried so far? Customer: replaced spark plugs and coil pack JA: H… read more
Jerry Newton
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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
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My 2005 Cadillac cts 3.6 I reading misfire cylinder #1 I
My 2005 Cadillac cts 3.6 I reading misfire cylinder #1 I took it to the shop got new spark plugs and replaced coil#1 they also changed the injector which has a paulse but there is something that's cau… read more
Gunvir Singh
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I was looking for a coil and plugs dealer said 5th cylinder coil … read more
JOHN aka Eauto
JOHN aka Eauto
self employed
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I have misfire codes on cylinder 1 3 5 I have changed the
I have misfire codes on cylinder 1 3 5 I have changed the spark plugs and spark boots today Cylinder 5 is now OK But 1,3 are still misfiring causing a rough idle on my 2003 Cadillac cts… read more
AZTechBrian
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2005 Cadillac CTS 3.6. cylinder 1 misfire. 97000 miles.
Hello, 2005 Cadillac CTS 3.6 . cylinder 1 misfire. … read more
JOHN aka Eauto
JOHN aka Eauto
self employed
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I checked the voltage on the terminal number 1 cylinder
I checked the voltage on the terminal for the number 1 cylinder and 3 terminals have .2 volts and 1 terminal reads 12.0 volts. I also checked two other connectors have the same readings. Whats next… read more
BOBBYSS
BOBBYSS
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Cadillac CTS: Hello I have a 2005 Cadillac cts with the 3.6
Hello I have a 2005 Cadillac cts with the 3.6 vvt. Engine runs rough at idle with codes P0300 and P0304..ive already changed all 6 plugs and the coil on cylinder 4 and still misfires..moved the coil w… read more
Jerry
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Cadillac CTS: I took my 2007 cadillac cts for check engine
I took my 2007 cadillac cts for check engine light. pep boys said it was a coil misfire. Since it has 165,000 miles on it he recommended tune-up. Ok at cost of 600.00. A month later, same issue. Check… read more
Ron Z.
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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
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2006 Cadillac CTS: 000 miles..cutting..town..the warranty just ran
I have 2006 Cadillac CTS 47,000 miles on it. Started "cutting out" a couple of weeks ago. Took to mechanic in our small town because of convenience and the warranty just ran out in June anyway. Comput… read more
Dan
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cadillac eldorado: fuel injectors..12 volt..alternator..My mechanic
I have a caddillac Eldorado 2001 The car idles with misfires. It shows the #3 misfires randomly I had the cars plugs and boots changed and it still jumps when idling I had my friend put the computer c… read more
Dan
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cadillac cts: driven..it runs rough and hesitates..o2 SENSOR..MISFIRE
I have a 03 cadillac cts, when 1st started and driven runs smooth.When it gets hot it runs rough and hesitates on excelaration. I have replaced both coils and plugs, could this problem be caused by th… read more
Jim
Jim
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2006 Cadillac CTS: cylinders..running rough..idle and at stable speeds
I have a 2006 Cadillac CTS w/53k miles showing misfire codes on cylinders 2, 4, & 6 (all same side). The car is running rough in idle and at stable speeds, it only evens out during acceleration. This … read more
JOHN aka Eauto
JOHN aka Eauto
self employed
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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
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Vocational, Technical or Trade Scho
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2000 cadillac dts: # 6 spark plug..replaced plugs..Still misfiring.
on a 2000 cadillac dts 4.6 engine the # XXXXX spark plug is miss firing. I replaced plugs and boots. Still misfiring. I'm not sure if the #6 is on the front or rear of the engine. My next guess is to … read more
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Jerry Newton

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George H.

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Don - Mo Lurch

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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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