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2013 Chevrolet Tahoe LS 5.3L MIL Lamp on
Posted to GM Driveability on 3/4/2026 8 Replies

Came in with complaint of MIL on, some hard to start issues and unstable idle complaints. Found the 2 lean codes, ran the fuel pressure test and it was rapid needle bounce from 45-60 psi. Replace the pump module, stable pressure and no hard start now but s...

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  Related Documents & Media  2013 Chevrolet Tahoe LS

 
Message Closed w/FIX

car Vehicle Data

2013 Chevrolet Tahoe LS

VIN 1GNLC2E0XD
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2013 Chevrolet Tahoe LS

VIN 1GNLC2E0XD
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)