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2007 Pontiac Grand Prix 3.8L MIL Lamp on
Posted to GM Driveability on 9/19/2025 6 Replies

As stated above I have done checks and every cold start after it runs the air management system the P2444 comes up. I did a screen capture of the air pump solenoid the air switching valve solenoid, and air pressure. Air pump operate correctly and blows har...

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car Vehicle Data

2007 Pontiac Grand Prix

VIN 2G2WP55277
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter Cold Start

Trouble Codes

2431Air Switching solinoid
P2444Secondary Air Injection System Pump Stuck On
Open Help Request

car Vehicle Data

2007 Pontiac Grand Prix

VIN 2G2WP55277
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter Cold Start

Trouble Codes

2431Air Switching solinoid
P2444Secondary Air Injection System Pump Stuck On