Originally Posted by
the-wizard
Rough on idle? is it chugging & do you have a slight chuff of blue'ish smoke at the same time?, If so do as i said previously with the rail sensors its an easy job totally diy no experience needed at all ( make sure everything is spotless clean NO DUST/GRIT in containers & lint free cloth if used for wiping anything), if you still have chugging on tick-over it may pay to get opcom program to read the live injector deviation values on tick-over ( they all should be between -3.00 & 3.0, I have the above on tick-over & injectors 2+4 are reading between 4/5 so need attention). This still maybe a egr problem due to exhaust fumes in engine bay, you can remove the egr & test easy with battery or battery charger (the two connectors touched with wire live & earth will make the valve click open & closed, any way round will work).
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