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2000 Chevrolet Express 3500 LS 5.7L MIL Lamp on
Posted to GM Driveability on 1/11/2013 24 Replies

Hello. This ones beating me up. I have a P0171 bank one system lean. Smoke test on intake was ok. Fuel pressure at 60psi and it will hold there at wide open throttle. Checked cat with a bore scope and both sides are clean, no obvious restriction. purge valve o...

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  Related Documents & Media  2000 Chevrolet Express 3500 LS

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 3500 LS

VIN 1GBJG31R7Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 3500 LS

VIN 1GBJG31R7Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0171Fuel System Too Lean (Bank 1)