Q: I just had my IAC replaced. Now I have a code p0505 along with p0430. My car is idling between 1500 and 2000 rpm in park and neutral.
Im having high idle issues I just had my mass air flow sensor replaced iac value and fuel pump when the car is in park or nuetrual it idles at about 15 to 2000 rpms up and down with a rum rum sound and in drive it practically takes off in a drift with out foot on brake or gas it's acerlating own its own I was told by mechanic to drive for 15 days to let the idle adjust its self help please !!
My car has 138567 miles.
My car has an automatic transmission.
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