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h22a4 egr port

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by

Tyler Huber

on 30 January 2014

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Transcript of h22a4 egr port

customer reported check engine light
ran a modis scan and found an p0401 egr insufficient flow.
checked egr valve with vacuum line
egr valve functioned properly but idle did not stutter. which lead us to the egr manifold ports.
we removed the intake manifold
and drilled the egr manifold ports out
the ports were clogged with carbon buildup
we used a slide hammer to remove the brass manifold plugs.
h22a4 egr port
Chris Hudson, Tyler Huber, and Matt Zawasky
we had to leave the intake manifold in the cold soak
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