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2007 Chevrolet Cobalt LS 2.2L Secoundary air pump
Posted to GM Driveability on 11/20/2020 6 Replies

Im getting a code of p0411.i removed exhaust manifold and cleaned passages.i never hear the pump go on put i can command the pump and solenoid [...] temps are correct. What else would keep pump from running

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car Vehicle Data

2007 Chevrolet Cobalt LS

VIN 1G1AK55F67
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SECOUNDARY AIR PUMP
EmissionsOBD-II Compliant
SymptomsSecoundary Air Pump
OccursCold

Trouble Codes

P0411Too Much Or Too Little Pulsed Air Injection
Message Closed

car Vehicle Data

2007 Chevrolet Cobalt LS

VIN 1G1AK55F67
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SECOUNDARY AIR PUMP
EmissionsOBD-II Compliant
SymptomsSecoundary Air Pump
OccursCold

Trouble Codes

P0411Too Much Or Too Little Pulsed Air Injection