Question about 2007 Cadillac CTS 3.6L

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2007 cadillac cts 3.6 motor...engine stalls. runs slightly rough during start up and then will die very occasionally taking off, hesitates and "jumps" between 40 to 50 mph. Does not write to code so therefore dealer nor Cadillac have a clue how to fix.

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CTS are very sensitive to problems with the hose between the air filter box and the intake. If it is not on good or leaks, it will cause the car to run rough, or die immediately after starting.

Posted on Oct 12, 2009

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Posted on Jan 02, 2017

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Feb 05, 2016 | Ford Cars & Trucks

1 Answer

Idle will drop to 0 and increase while engine bucks stalls half the time when driving at moderate to high speed. when starting out 1-3 gears it shifts slightly rough with some hesitation.


Sounds like you need a tuneup. If you can't do it yourself take it to a competent mechanic certified in your vehicle brand and model.

Apr 09, 2015 | Cars & Trucks

1 Answer

2006 Cadillac CTS stalls


Have you checked fuel pressure? Dies it only stall when in gear and trying to accelerate? Could be a mass airflow sensor. Give me more info.

Jun 17, 2013 | 2006 Cadillac CTS

1 Answer

Engine was running slightly rough with some skipping/or jumping. check engine light is on. Changed oil today, engine no longer running rough but the check engine light is still on. 159,621 miles


Go to an auto parts store, they will scan your OBD II memory for the check engine light code. And from ther they should tell you why it`s on, and what needs to be fixed and/or replaced.

I recomend advanced auto parts.

Apr 18, 2011 | 2005 Cadillac CTS

1 Answer

Engine dies and wont start for 5 to 10 min


Good chance that the fuel filter may have go to the end of it's life and will need to be replaced. Start with that first if there is no check engine light on before the engine stalls out or while it's running.
Thank you for using fixya and be safe.

Jun 17, 2010 | 2003 Cadillac CTS

3 Answers

2004 Cadillac CTS won't start after oil change? car starts and runs for only 10 seconds?


Did you also check the air filter? The Cadillac CTS is very finicky about the differential pressure across the air filter. Checking the air filter often causes the hose between the air filter box and the intake to come loose or start to leak. This will cause the car to run rough or die immediately after starting.

Oct 10, 2009 | 2004 Cadillac CTS

1 Answer

Car cuts off while I am driving...


Yes...this is a sensor problem and will get worse before it gets better. The crankshaft position sensor on the CTS is famous for this. It's located in the engine block under and slightly ahead of the oil filter and is a bugger to get to.
Good luck...i hope this helps.

May 04, 2009 | 2003 Cadillac CTS

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