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1999 Chevrolet Express 3500 LS 5.7L Excessive Emissions, Hesitation, Surge, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 5/31/2012 13 Replies

van runs fine sometimes then step on gas hesitates stumble back fires thru intake hold to floor acts like cat conv plugged fuel trims way off then while holding gas pedal down it take off and runsfine take off and drive same thing fine step on gas falls on fac...

13 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Express 3500 LS

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500 LS

VIN 1GAHG39R8X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / older stylepoppet valve type
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Hesitation, Surge, Cuts Out, Misfire, Poor Fuel Economy, MIL Lamp On
OccursIntermittently

Trouble Codes

P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage
P0172Fuel System Too Rich (Bank 1)
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500 LS

VIN 1GAHG39R8X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / older stylepoppet valve type
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Hesitation, Surge, Cuts Out, Misfire, Poor Fuel Economy, MIL Lamp On
OccursIntermittently

Trouble Codes

P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage
P0172Fuel System Too Rich (Bank 1)