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Re: Failed Nox At 25 Mph
Posted to Technical Discussion Forum on 1/18/2021 3 Replies

Hello, everyone. I want to give an update on what I find. I traced all vacuum lines in the EGR system and found a cracked vacuum line from the BVSV valve to the EGR module and a hairline cracked on the exhaust manifold (welded). Also replaced 2 bottom exhaust ... Login to read more.

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