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Discussion Starter · #1 ·
It probably ramps to about 2k or so rpm and then slowly comes down. I would think this is going to be pretty tough on the motor when it is freezing outside and the car has been off all night. The first start sounds a little scary, as it runs to 2k and then slowly comes down. What is the likely cause?
 

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Call up the IAT and ECT/CTS PIDs and see what the PCM thinks the temps are.
 
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