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Posted on Apr 03, 2009
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2003 Cadillac CTS cuts off after 20 minutes. The filter, relay

And fuel pump has been changed. Please advise.

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  • Anonymous Apr 05, 2009

    My 2003 CTS does the same. Cuts off while in park or stopped at traffic light or stop sign. Tried new fuel filter -- no affect. Please help! Mechanic is puzzled -- cannot locate the problem.



    Melanie

  • roxanne_jack Apr 21, 2009

    Actually it was the crank sensor. Cost approx. $58, however with installation, total cost was approx. $470.

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  • Posted on Apr 08, 2013
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I have a 2003 cts and the same thing was occurring with my car it's the came shaft sensor

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  • Posted on Apr 18, 2009
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Try having your braking system checked, it may be a vacuum problem. I had the same problem and it was a vacuum problem...it's easy to fix.

  • George Morrow Apr 18, 2009

    It's most likely your power booster to your brakes...it may have a vacuum hose off or a hose leaking on the booster or the booster may be bad...all are easy to fix and can be done at home.

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