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1989 Honda Prelude 2.0 Si 2.0L Excessive Emissions, Poor Idle Quality, Surge
Posted to Asian Driveability on 3/27/2015 14 Replies

I need some help, When you start this car the cold idle flares up to about 3000 then starts to hunt up and down constantly, when warmed up the idle surges from 1200 and up to 1750 or so, I have no lights on on the PCM and I have checked the IAC resistance and ...

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car Vehicle Data

1989 Honda Prelude 2.0 Si

VIN JHMBA4231K
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / PGM-FI
EmissionsFed
SymptomsExcessive Emissions, Poor Idle Quality, Surge
OccursAlways, Idle
Message Closed w/FIX

car Vehicle Data

1989 Honda Prelude 2.0 Si

VIN JHMBA4231K
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / PGM-FI
EmissionsFed
SymptomsExcessive Emissions, Poor Idle Quality, Surge
OccursAlways, Idle