b18cTurbo

the prob is when i shift gears the idle wont come down it always stay in the 2000 rpm in neutral still rolling(10 mph+) then when i stop (0 mph) the idle hardly come back to normal . if i go up to 10 mph+ the car goes into fast idle like 2000rpm in cruising mode and wont come back to normal idle. i looked for leak , tb cable ,iac everything look fine
my engine is a b18c5
thx for helping
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