Thread: Help! check engine light alwasy come up in cold
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Old 12-27-2010, 12:41 AM   #4
pwpanas
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Quote:
Originally Posted by 2JZDU View Post
Tnak you, I will try to diganostic by my self.

another problem is, I started the car at afternoon, everything are nonrmal, no engine light, boost and rev are fine...this is completey doesn't make sense

does the car like to stay under sunshine????
Until we find out your codes, it's all guesswork. It's possible that in cold weather, your IAC valve could be sticking. It's also possible that the IAC has nothing to do with the problem. See what I mean?

Please post the codes when you find them out.
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