Until closed loop operation when engine reaches operating temp, there is hesitation when depressing the accelerator. This weekend I thinned the mixture a bit instead of replacing the temp sensor and performance improved, so I fiddle with that instead. I'd rather do the easiest things first.

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87 300e (white/black; amg body kit)
88 300ce (red/cream; amg body kit)
93 300ce cabrio (white/blue/blue top)
93 300ce cabrio (black/grey/black top)
98 ml 320 (totaled @ 137,000 miles)
99 clk320 (black/grey/black top)