Rough cold idle in 98 Deville

Tiny
KEVPAC
  • MEMBER
  • 1998 CADILLAC DEVILLE
I just bought a 1998 Deville D'Elegence with the northstar engine. Runs great when warm but rough idle when cold first start in AM. Funny thing is though no check engine light is on. Any ideas?
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Wednesday, March 14th, 2007 AT 9:15 AM

1 Reply

Tiny
MERLIN2021
  • EXPERT
Try the temperature sensor.
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Tuesday, March 27th, 2007 AT 3:23 PM

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