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davewoolley 11-26-2012 11:33 AM

I have a 05 645, I don't have a lot if issues but I have one that when I start it up sometimes the rpm goes up and down and almost turns off.

Any ideas?

HerbP 11-26-2012 04:43 PM

It could be from a thermostat going bad, or a purge valve problem. This usually happens on cold morning starts, & is not really a problem to worry about. When you start getting a code, you will find the culprit.

Good Luck!

davewoolley 11-26-2012 04:51 PM

I dosent happen in the morning but when I drive around then go inside somewhere and then when I start it up.

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