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2000 Daewoo Lanos SE 1.6L Excessive Emissions, Poor Idle Quality, Surge, Misfire
Posted to Asian Driveability on 7/26/2007 4 Replies

Vehicle has rough unstable idle and system goes rich at idle only. Upon inital startup engine idle's great. After about 30sec or around the time it goes into closed loop the idle gets rough and the engine surges up and down approx 200rpms. Fuel trim goes to -1...

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car Vehicle Data

2000 Daewoo Lanos SE

VIN KLATB2265Y
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / efi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Misfire
OccursIdle, Approx 30Sec After Engine Start
Message Closed

car Vehicle Data

2000 Daewoo Lanos SE

VIN KLATB2265Y
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / efi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Misfire
OccursIdle, Approx 30Sec After Engine Start