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Re: Paccar MX13 P3770
Posted to HD/Fleet Forum on 5/18/2020 1 Reply

After load testing wiring as most of you suggested. I found no fault with wiring so I installed a new EAS-3 module. It lasted for about a thousand miles and came back. I thought I had inspected the Face Of the SCR catalyst when I had the decomp tube off. But i... Login to read more.

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