wrote:
> My 1990 Honda Accord 2.2L started to have idle fluctuations
> yesterday. The RPM will fluctuate between 1700 and 1000 RPMs when the
> car is stopped. The fluctuations don't seem to be noticeable when the
> car is in gear. What would cause this? I searched for vacuum leaks
> but couldn't find anything. I recently did a tune-up. Please help!

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Before getting too far into it, how full is your coolant reservoir? You
said you did some work on it. Did you make sure the cooling system was
full to the MAX mark afterwards? I think it's mentioned in your owner's
manual.

'Curly'