car stalling and heater blower stopping

2003 CADILLAC SLS
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VIK55
  • MEMBER
  • 2 POSTS
have a 2003 cadillac sls first it starts only after several attempts, it will cut off and stall and restart after several attempts recently the hear and defrost blower stops working but resumes after a period of time. What could be some of the problems it has a little over 100,000miles
Feb 14, 2011 at 7:16 AM
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FACTORYJACK
  • ✓Experienced Mechanic
  • 4,159 POSTS
The stalling could be result of faulty crankshaft position sensors. There were several updates to the sensors over this era, there could possibly be some trouble codes that indicate a possible fault of that nature. Do you know how to check for codes in your vehicle, it has an onboard feature that you can access.
Feb 18, 2011 at 10:41 PM
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FACTORYJACK
  • ✓Experienced Mechanic
  • 4,159 POSTS
The blower problem could be result of a faulty blower. If you could verify that power and ground are present when the blower is not working, then you need a blower.
Feb 18, 2011 at 10:42 PM
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