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1999 Chevrolet C3500 7.4L Hesitation, Surge
Posted to GM Driveability on 8/21/2012 18 Replies

Guys I need help. Chevy truck 7.4 comes in to the shop running fair. The truck was surging on the road and bogging down if you hit it hard from a stand still. Seem like a fuel problem. I test the pump and had only 48 pounds of pressure. I checked the spec. and...

18 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet C3500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet C3500

VIN 1GCHC33J8X
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MFI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge
OccursCold, Intermittently

Trouble Codes

P0157Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet C3500

VIN 1GCHC33J8X
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MFI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge
OccursCold, Intermittently

Trouble Codes

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