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2006 GMC Canyon SLE 2.8L MIL Lamp on
Posted to GM Driveability on 3/27/2026 11 Replies

Engine would not idle with DTC P0171, lean condition. Found MAP sensor cracked at base & leaking vacuum. Replaced MAP sensor with OEM GM part. Idle now good but DTC returned during road test. Data stream showed short term fuel trim at idle fluctuated betwe...

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car Vehicle Data

2006 GMC Canyon SLE

VIN 1GTCS14826
Engine2.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
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car Vehicle Data

2006 GMC Canyon SLE

VIN 1GTCS14826
Engine2.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)