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2000 GMC W4500 Forward W4S042 5.7L MIL Lamp on
Posted to GM Driveability on 10/29/2024 7 Replies

This vehicle is new to me. It came in with a lack of power and the check engine light on with code P0172. When I reviewed fuel trim data, I found the fuel trims combined around negative 20% at idle and around negative 35% at cruise. I found the fuel pressu...

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  Related Documents & Media  2000 GMC W4500 Forward W4S042

 
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car Vehicle Data

2000 GMC W4500 Forward W4S042

VIN 4KDC4B1R2Y
Engine5.7 L / 8 cyl / GAS
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed

car Vehicle Data

2000 GMC W4500 Forward W4S042

VIN 4KDC4B1R2Y
Engine5.7 L / 8 cyl / GAS
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)