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  • 2 Post By A48WillyzGuy
Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Help in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; I have a 2003 CTS and will not start...when I turn the key it sounds as if its gonna it ...
  1. #1
    Lukkie is offline Cadillac Owners Member
    Automobile(s): 2003 cadillac cts
    Join Date
    Apr 2013
    Posts
    1

    Help

    I have a 2003 CTS and will not start...when I turn the key it sounds as if its gonna it
    crank but it dont..the motor
    shakes as if its trying to start but it don't and even when I take my hand off the key It continues to shake as if its gonna start...I have a half tank of gas by the way... PLS HELP

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  3. #2
    curtc's Avatar
    curtc is offline OCD - Obsessive Cadillac Disorder
    Automobile(s): White Diamond 06 STS V8 RWD 1SF F55 HUD/ACC NAV - 126k
    Join Date
    Jul 2005
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    Burnsville, MN
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    Crankshaft position sensor, I'd put money on it.

    Pull the trouble codes, you can do that yourself in the 03's without a scan tool.
    Past Cadillac's

    2004 CTS 3.6L - 2011-2012
    2001 Seville Touring Sedan - 2006-2011
    1995 Seville Touring Sedan - 2005-2006

  4. #3
    A48WillyzGuy's Avatar
    A48WillyzGuy is offline Cadillac Owners Fanatic
    Automobile(s): 2003 CTS
    Join Date
    Mar 2011
    Location
    Evansville, IN
    Age
    26
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    294
    A crank sensor won't always throw a code, just fyi. It is a very common problem on the 3.2 though. It's a pretty safe bet.
    Kingoftypos and Kingoftypos like this.

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