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2000 Chevrolet Express 3500 5.7L Misfire
Posted to GM Driveability on 11/1/2007 38 Replies

Alright guys, this van has a misfire on cylinders 2,4,8 at idle. Above idle it runs fine. I was thinking vacuum leak or fuel leakege so i was about to take the intake off but i was thinking I would get a second opinion first. It also runs rough cold than hot. ...

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  Related Documents & Media  2000 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 3500

VIN 1GHC39R3Y1
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / csfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways, Idle

Trouble Codes

P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 3500

VIN 1GHC39R3Y1
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / csfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways, Idle

Trouble Codes

P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
P0175Fuel System Too Lean (Bank 2)