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2006 Cadillac STS 4.6L MIL Lamp on
Posted to GM Driveability on 12/26/2016 13 Replies

map checked 1.9v on idle 4v under 3000rpm, fuel trims a maxed out to 30% wil go down to 20 under 3000rpm and the only time when trims will set to 0 ballance is under snap throtle. Car doesn't show any symptoms of a lean condition. Codes present and everything ...

13 Replies Received (View Replies)

  Related Documents & Media  2006 Cadillac STS

 
Message Closed w/FIX

car Vehicle Data

2006 Cadillac STS

VIN 1G6DC67A56
Engine4.6 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0161Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2006 Cadillac STS

VIN 1G6DC67A56
Engine4.6 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0161Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)