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Cold Start Problem

Tiny
JK95GP
  • MEMBER
  • PONTIAC GRAND PRIX
I have a 1995 Grand Prix GTP, 3.4 DOHC motor, ~178000 miles. Recently, as it has gotten cold, I have had a problem starting the car. It starts right up every time, even when cold, but it will idle incredibly high, then die if I don't get on the throttle immediately. It idles high until it warms up, then it drives perfectly. I removed and cleaned the IAC, it was pretty dirty, but no help. Any ideas?
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Saturday, November 17th, 2007 AT 3:00 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Try the ect electronic coolant temp sensor. And maybe the intake air temp sensor.
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Saturday, November 17th, 2007 AT 3:23 PM

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