sounds to me as though you need to undo the "tuning" that was done to get the car thru emissions.it may be adjusted too lean [3mm beside the fuel distrib]this would explain your symptoms completely.

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David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
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