| Hi, I'm wondering if it's better--for the time being--to simply clean my IACV rather than buy a new one? My 90 TT drives fine, with no hesitation during idle or acceleration. The car also always starts up nicely. However, when putting gear into neutral during a coast the RPM drops precipitously before climbing back up to the 700 range. This is the only instance during drives that the rpm does this. I know the IACV unit isn't hard to remove or clean, and hope to do the harness sensors at the time as well. My car has 150K+ on it and it's a well-maintained TT. Thanks in advance.
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