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1999 Chevrolet Silverado 1500 5.3L MIL Lamp on
Posted to GM Driveability on 1/11/2006 20 Replies

Thanks in advance for your time. This truck came in with MIL on. Was running OK. It had lean codes, both banks. Test drive was OK. Long term fuel trim +25 both banks. IAC counts very low. Tested fuel system. Pressure OK, flow poor, waveform on pump motor very ...

20 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN 2GCEK19TXX
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursHot, Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN 2GCEK19TXX
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursHot, Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)