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1999 Mercedes-Benz E300 3.0L Poor Idle Quality
Posted to European Driveability on 7/7/2011 12 Replies

after fixing the fuel leak, I retest the engine idle quality and found rough idle present only when engine is warm, when a/c is on idle OK, and in gear idle OK, rough idle only with no loads, check for vac leaks, found o ring at egr leaking, replace o ring and...

FIX posted 7/20/2011

12 Replies Received (View Replies)

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car Vehicle Data

1999 Mercedes-Benz E300

Engine3.0 L / 6 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / Rough idle
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursHot, Idle
Misc.Rough Idel With No Load