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2001 Chevrolet Express 1500 4.3L Hesitation, Cuts out, Misfire, MIL Lamp on
Posted to GM Driveability on 6/26/2006 12 Replies

van comes in wont go under load. hesitates- stumbles and bucks. sometimes pops in the intake. check engine light on. po131 po151. replace 02 sensors per customers request. reset pcm. test drive- still does it at first then clears up. returns 1 week later and s...

12 Replies Received (View Replies)

  Related Documents & Media  2001 Chevrolet Express 1500

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Express 1500

VIN 1GCFG15WX1
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHesitation, Cuts Out, Misfire, MIL Lamp On
OccursCold, Hot, Under Load, on Accel

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Express 1500

VIN 1GCFG15WX1
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHesitation, Cuts Out, Misfire, MIL Lamp On
OccursCold, Hot, Under Load, on Accel

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage