Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, 05 CTS 130k miles Check Engine P0301 (blinking) need diagnostic on coils in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; Sup fellas, So wifes car starting ideling rough and shaking with a P0301. It's pretty consistent. Since I'm not getting ...
- 06-18-13 07:36 PM #1
05 CTS 130k miles Check Engine P0301 (blinking) need diagnostic on coils
So wifes car starting ideling rough and shaking with a P0301. It's pretty consistent. Since I'm not getting an injector code I'm guessing I have a dead coil. Instead of just replacing it I would prefer to check the resistance across the coil does any one of the ohm readings for these ? Also recommendations on what I may be missing, there are no other codes and a few months ago it smogged with flying colors. I replaced all the plugs at 90k miles.
Thanks, ahead of time.
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