Idle and Ignition timing

07-21-2001, 08:26 AM

Benzman

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BenzMac..

Heres something to ponder..my 420sel benz runs great for about 20min, then the idle goes rough on me and it spits and sputters down the road. Cap = O.K. Rotor = O.K. Wires = Just replaced. Area has High Humidity, but also wonder if the wires may be bad already. Idle control relay??, but why would that affect engine while on highway? Maybe water in gas due to high humidity??' but would that take 20 min to kick in?

Also does what is the timing specs for the 420sel and is it with or without vacume attached to distributor.

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