How about his one?
1992 300 CE 103K. When I pull away from stop, the hesitation. Exhaust smells odd. Poor mileage.
Replaced EHa Valve, Fuel Distribution pum, rebuilt and replaced again. Idle valve, plugs, rotor/cap good per mechanic, plugs, catalytic converter on exhaust system.
This has been a royal pain. Mechanic has seen this car much more than I have.
Out of the 4 I've had, more issues fuel/timing wise than all others put together. Is it the 24Valve motor, or are we missing the culprit completely/
All help obviously appreciated
Billy

oxygen sensor changed? MAF? EGR valve dirty?

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This can be caused by Leaking injector seals, cheap and easy to replace.

Rob

Thanks gents, I will try all, and see when it stops.