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-   -   EGR low voltage (https://www.buickforum.com/forum/general-tech-help-13/egr-low-voltage-659/)

michaelrp 12-03-2006 07:51 PM
Can anyone help with this problem? The SES light is on with the code PO405 EGR circuit low input. I have replaced the EGR and the code comes right back. Any help would be appreciated!


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