random PO421 code w/Edelbrock Supercharger

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BillT613
Posts: 6
Joined: Thu Jan 12, 2017 4:12 pm

random PO421 code w/Edelbrock Supercharger

Post by BillT613 »

My 2016 ND has an Edelbrock Supercharger w/their version 5 tune installed. I am getting a random PO421 code. I clear it and it will come back eventually. Anyone else having this problem? Have you found a cure?
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