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2008 Saturn Aura XE 2.4L MIL Lamp on
Posted to GM Driveability on 2/3/2026 2 Replies

This P0171 should be a simple fix but I cannot figure it out. The LTFT is 30% and STFT varies 5-10% at all RPM's, so that pretty much rules out a vacuum leak. But I did smoke test the induction system and found no vacuum leaks. Clamped off the PCV hose, br...

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car Vehicle Data

2008 Saturn Aura XE

VIN 1G8ZS57BX8
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Open Help Request

car Vehicle Data

2008 Saturn Aura XE

VIN 1G8ZS57BX8
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)