When cleaning the EGR does not fix the hesatation
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EGR chanels can get blocked
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As any hard core Insight owner knows, the Insight will buck and hesitate under low throttle when the EGR valve either gets clogged, or develops a bad feedback potentiometer.The exhaust gas passes into the cylinder intake by passing through an aluminum casting. Each of the three channels that are fed by this channel has a steel flow control orifice in the path.
When we removed the intake manifold on the green machine, this channel was totally clogged, and we needed a screw driver to clean it out. Probably should be cleaned whenever the EGR is serviced.
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