If you are going to clean your EGR
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It will work better but remember if the EGR is gunked up the manifold will be also, & the MAP sensor fitted to the side of it, so remove them and clean them too.
some are worse than others.
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Clean it out
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Map sensor blocked
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Also check all the vacuum hose from the EGR & the EGR solenoid.
Change air filter if you have not in the last 12 months
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