Cadillac CTS owners have reported 2 problems related to crankshaft position sensor (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Cadillac CTS based on all problems reported for the CTS.
2003 Cadillac Cts. Consumer writes in regards to vehicle starts up and drives for a while then shuts down without warning. The consumer also stated the idler arms and crank sensors were replaced.
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Starting around September, my car would randomly shut off while in motion, at various speeds. After hundreds of dollars in diagnostic fees, I found some Cadillac forums stating it was a crank shaft sensor malfunction, which is common in 2003 models. My car would also show the traction control was off with no warning, and not get out of gear while being on, with no warning as well. The computer system would show low oil pressure and other warnings although nothing was wrong. And lastly, at around 78,000 miles, while driving 70 on a highway, the car make a huge bang, and smoke erupted, almost causing me to crash on the highway. All the oil leaked out, and the car won't start. I'm being told to replace my entire engine because of a possible head gasket, which according to multiple forums, tends to be faulty in the '03 models. These should obviously be recalled if so many cars are affected. I'm paying over 5000 dollars in repairs and costs for this. I refuse to ever let anyone I know, as well as myself, purchase another Cadillac, unless this gets resolved.