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2006 Cadillac CTS Engine Problems and Repair Histories

79 TrueDelta members own a 2006 Cadillac CTS. 19 of these members (24.1%) have reported engine repairs for their car. A total of 25 engine repairs to 2006 Cadillac CTSs--an average of 0.3 per vehicle--have been reported.

See our lemon odds and nada odds page for more details. To see how frequently 2006 Cadillac CTS problems occur, check out our car reliability stats.

Want to read about specific problems behind these stats? Jump to the 2006 Cadillac CTS problem descriptions below.

Don't infer 2006 Cadillac CTS problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

Percentage of 2006 Cadillac CTS repairs by problem area

41% of the 2006 Cadillac CTS repairs were to the engine, 2% to the transmission, 3% to the brakes, 18% to the suspension, 28% to the electrical or air-conditioning systems, 3% to the body and trim, and 5% to other areas of the vehicle.

Chart based on 61 repairs.

2006 Cadillac CTS engine repair cost distribution

Of the 2006 Cadillac CTS engine repairs that were not covered by warranty and were not do-it-yourself repairs, 20% cost less than $100, 40% between $100 and $499, and 40% between $500 and $999.

Chart based on 10 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2006 Cadillac CTS Engine problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.

2006 Cadillac CTS

Engine not specified

Cadillac CTS in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jan 2011 63000    
64000 2300 The intake manifold gasket had to be replaced along with a coil pack and the spark plugs. Car does not run the same now.  

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2006 Cadillac CTS 4dr Sedan

255-horsepower 3.6L V6 6-speed manual RWD

Cadillac CTS in Washington, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Oct 2010 60000    
85000 614 Replaced the water pump. 
98000  

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2006 Cadillac CTS 4dr Sedan

255-horsepower 3.6L V6 5-speed shiftable automatic RWD

Cadillac CTS in Louisiana, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
May 2013 93000    
94000 400 Car is bucking and feels like its going to kill. There is also a rattling noise under the hood like something is loose 
96000 100 Coil pack 
110000 80 Coil pack 
Cadillac CTS in Ohio, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Nov 2012 95000    
106000 65 Developed an engine miss. Pulled code and found that number three cylinder had misfires. Replaced ignition coil. Problem corrected 
Cadillac CTS in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Feb 2012 88000    
89000 85 knocking sound coming from the front of engine between 29 to 30mph 
91000  
Cadillac CTS in Florida, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Apr 2009 44000    
46000 0 Fuel Injector 5 failed - stuck in the full open position causing extremely rich fuel air mixture. 
101000 0 ECM module was failing, had a couple of 'no crank no start. No engine lights even though I believe I had a O2 sensor bad.Watched YouTube which described condition. 
Cadillac CTS in Oregon, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
0 reflashed ECU to try and fix on-board computer faults. Also affected the radio and ability to get into the custom settings menu for the car. 
0 Replaced Rear main seal for oil leak 
42000 0 Rear main seal had a small leak when turned in. About to replace leaking radiator when turned in. 

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2006 Cadillac CTS 4dr Sedan

210-horsepower 2.8L V6 5-speed shiftable automatic RWD

Cadillac CTS in Quebec, Canada
Date Odometer
(in miles)
Cost Problem/Repair Description
Dec 2009 44640    
45260 0 Timing chain. 
51460 500 Radiator cap and coolant. 
58900 0 LIGHT ENGINE 21, CALLED ONSTAR, CODE P 0604 SEPT 21. APPOINTMENT DEALER FOR 27 SEPT. AT DEALER LIGHT WENT OFF. DEALER DECIDE TO DO NOTHING! 
62000 366 Changed spark plug cylinder 5, and swapped ignition coils between 5 and 6. Still knocking. Fixed misfire. Spark plug and ignition coil for cylinder #5. Replaced radiator cap. 
62400 460 Oil cooler, radiator, etc. blew up, transmission fluid leaked onto the street. Bill initially $1,500, reduced to $460 after I gave them an earful. Cadillac paid for the parts, I paid labor. 
64140 500 Misfire cylider #3. Intake gasket removed. 
 
Cadillac CTS in Minnesota, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Mar 2009 56000    
122000 265 Air intake manifold replaced 
132000  
Cadillac CTS in Texas, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Mar 2009 22000    
27000 0 Water Pump leaking. Replaced Water hose not tight. They repaired. 
 

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