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1999 Hyundai Elantra GL 2.0L MIL Lamp on
Posted to Asian Driveability on 6/29/2004 6 Replies

Hello This vehicle came in with a blown engine, severely overheated, no compression. We installed a used engine, which is running well. The mil light came on after 2 days of driving with a code P1127. The LT Fuel trim was at -21.9. We have tested everything we...

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car Vehicle Data

1999 Hyundai Elantra GL

VIN KMHJW25F5X
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P1127Long Term Fuel Trim Multiplier System Too Rich
Message Closed

car Vehicle Data

1999 Hyundai Elantra GL

VIN KMHJW25F5X
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P1127Long Term Fuel Trim Multiplier System Too Rich