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2017 Chevrolet Silverado 1500 LT 4.3L MIL Lamp on
Posted to GM Driveability on 2/20/2021 8 Replies

This is a 2018 Silverado 4.3. Shop replaced hi pressure fuel pump for lean codes. Lean codes are gone. Now it sets a P2635 Fuel Pump Flow Performance code within a few seconds of putting it in drive and taking off. Code states ecm is seeing a descrepency i...

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  Related Documents & Media  2017 Chevrolet Silverado 1500 LT

 
Message Closed w/FIX

car Vehicle Data

2017 Chevrolet Silverado 1500 LT

VIN 1GCRCPEH5J
Engine4.3 L / 6 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P2635Fuel Rail Pressure Malfunction - Fuel Flow Below Minimum Quantity
Message Closed w/FIX

car Vehicle Data

2017 Chevrolet Silverado 1500 LT

VIN 1GCRCPEH5J
Engine4.3 L / 6 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P2635Fuel Rail Pressure Malfunction - Fuel Flow Below Minimum Quantity