P0411, 2430, 2431, 2432, 2433 - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
Problems and Service Talk about any mechanical problems you are having

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post #1 of 2 (permalink) Old 03-09-2014, 06:31 PM Thread Starter
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Question P0411, 2430, 2431, 2432, 2433

Okay, my registration is due and I already failed a emissions test because and I really need for these codes to go away! How do I got about checking if my air pump is working or my secondary air injection valve is doing what its suppose to do? Im really frustrated with this and I need help. Any suggestions out there? If anyone can help, please fill free to email me at [email protected]

Thank you!
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post #2 of 2 (permalink) Old 03-09-2014, 07:34 PM
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Looks like you lost supply voltage to your sensors, broken wire quite possibly. Or blown fuse.

Pressure Sensor 5-Volt Reference Voltage P2432 P2431 P2431 P2430, P2431
Pressure Sensor Signal P2432 P2432 P2433 P2430, P2431
Pressure Sensor Low Reference -- P2433 -- -
Pump Voltage Supply P0411 P0411 P2444 --

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