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Mar 19, 2006 | 05:32 PM

emj2006

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From: Wichita, KS

Obd2

I got my car scanned with OBDII and got these codes:

PO403 - Exhaust Gas Recirculation Circuit Malfunction

PO412 - Secondary Air Injection System Switching Valve A Circuit Malfunction

PO443 - Evaporative Emission Control System Purge Control Valve Circuit Malfunction
These codes all have to do with circuit malfunction. Any tips on how to correct this problem? I cant find a website that showed the OBDII codes and their ways to fix them. Do any of you guys know?

Mar 19, 2006 | 05:56 PM

DrivenWS6

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I got a couple of codes like that once and they all had to do with my AIR pump not working. Mine just ended being a blown fuse. So check all of your fuses and then I heard that them black check valves in the air lines can go bad. So i guess just check that stuff out first.