Quote:
Originally Posted by MorphDaCivic
Sounds like a vacuum leak with the idle revving issue and bad mileage. Look for loose hoses or possibly a bad gasket. You could find it by spraying Carb cleaner around suspected areas while engine is idling an see if RPM changes.
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but when the idle control valve is electronically disconnected it never revvs up or acts up.. has a fuss in cold start but once it starts and warms up it sits at 900 rpm in park and 700 in drive. but the computer may have a fuss with fuel because the actual problem hasn't been found.. it isnt vacuum related i know that because it only does it when its shifted to a gear, only notice it in drive. i think reverse does it too. and only when idle control valve is electronically plugged in.. the vacuum connector at the map sensor is loose feeling but spaying wd40 on it it didn't suck it up so i guess no issue.. but still. if it was a vacuum problem it would act up regardless of transmission selection and sensors and valves