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2007 Cadillac DTS 4.6L MIL Lamp on
Posted to GM Driveability on 1/17/2017 7 Replies

After 3 or 4 start ups, the check engine light will come on with code p0411. The car drives great, the pressure readings are normal when the pump runs. I can command the air valve and the pump. Note: it only happens at start up.

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car Vehicle Data

2007 Cadillac DTS

VIN 1G6KD57917
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0411Too Much Or Too Little Pulsed Air Injection
Message Closed

car Vehicle Data

2007 Cadillac DTS

VIN 1G6KD57917
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0411Too Much Or Too Little Pulsed Air Injection