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2003 Cadillac CTS misfiring still

Tiny
CHINO101
  • MEMBER
  • 2003 CADILLAC CTS
Engine Performance problem
2003 Cadillac CTS 6 cyl Two Wheel Drive Automatic

I have 2003 cadillac cts 3.2L had a misfire bank 1, 3, 5 replaced spark plugs and coil packs and two catalytic converter but still have same problem can some one help
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Tuesday, February 9th, 2010 AT 3:52 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Hello Chino101,

This sounds like a problem of the coil pack and module which they had many problem with for this car. Please check and replace them and get back to us so it will help others,

Best, Ken
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Sunday, December 4th, 2016 AT 6:53 PM

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