minus-squareronin9981@alien.topBtoToyota@gearhead.town•(Corolla S ‘14) Revs fluctuate at idlelinkfedilinkEnglisharrow-up1·1 year agoCheck your oil fill cap gasket. Just replaced mine after having weird RPM drops when lifting off the gas and now it’s 99% gone. I had replaced MAF and did the idle relearn procedure but oddly this is what helped. You probably have a vacuum issue. 2010 Rolla 1.8, 150k mi Car Car Nut on YouTube is invaluable linkfedilink
Check your oil fill cap gasket. Just replaced mine after having weird RPM drops when lifting off the gas and now it’s 99% gone. I had replaced MAF and did the idle relearn procedure but oddly this is what helped. You probably have a vacuum issue.
2010 Rolla 1.8, 150k mi
Car Car Nut on YouTube is invaluable