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2009 Cadillac DTS 4.6L MIL Lamp on
Posted to GM Driveability on 8/6/2018 7 Replies

We are getting a code for b2 lean p0174 after we replace a water pump and power steering pressure hose that leak. Road test after repair. I've checked and found fuel trim for b1 is within spec 0-5% long and short term fuel trim. The b2 is idling at 12% and...

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car Vehicle Data

2009 Cadillac DTS

VIN 1G6KD57Y59
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / fuel injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Misc.Bank B2 Lean P0174

Trouble Codes

P0174Fuel System Too Lean (Bank 2)
Open Help Request

car Vehicle Data

2009 Cadillac DTS

VIN 1G6KD57Y59
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / fuel injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Misc.Bank B2 Lean P0174

Trouble Codes

P0174Fuel System Too Lean (Bank 2)