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1999 Chevrolet Silverado 1500 5.3L Hesitation
Posted to GM Driveability on 6/7/2006 17 Replies

Vehicle was brought in with a running problem. We have replaced plugs & fuel filter. Fuel Pressure was low, replaced fuel pump. Fuel Pressure regulator is ok. Changed Mass Air Flow Sensor. Checked Converters-ok, Replaced TPS-No change, Install PCM & reflashed-...

17 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Silverado 1500

 
Message Closed w/Summary

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN 1GCEK14T0X
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHesitation
OccursUnder Load, on Accel

Trouble Codes

P0137Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage
P0157Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage
Message Closed w/Summary

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN 1GCEK14T0X
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHesitation
OccursUnder Load, on Accel

Trouble Codes

P0137Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage
P0157Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage