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Egr codes

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Discussion Starter · #1 ·
I have a 08 3V in my 04 running on an 03 2V ECM. I have a quarter horse chip in it also. I need it to pass emissions and it keeps throwing codes P0403 and P0406. Anybody have an idea to trick the ECM to think that there is an Egr valve there

Thanks
 
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indy2000
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