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1997 Hyundai Sonata GL 3.0L Excessive Emissions
Posted to Asian Driveability on 3/23/2007 4 Replies

Hello to the best Tech's out there.

This Sonata is going into closed loop at 2500 RPMs. The emissions are good when in closed loop. Through trial and error, I found that when the throttle is released normally the car goes into open loop at idle. If the throt...

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car Vehicle Data

1997 Hyundai Sonata GL

VIN KMHCF24T2V
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursOn Decel
Message Closed

car Vehicle Data

1997 Hyundai Sonata GL

VIN KMHCF24T2V
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursOn Decel