Rough cold idle on 1991 420SEL

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Rough cold idle on 1991 420SEL

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05-20-2001, 12:08 PM

JimF

'94 S500: only 793 sold!

Join Date: Mar 2001

Location: San Diego, CA

Posts: 1,933

Standing By. . .

How about the standard 'stuff' such as plugs, wires, rotor, distributor, etc.? Standard fuel 'stuff' such as fuel filter, etc. ?

Those can cause problems although it shouldn't go away when it's warm.

The fuel distributor can be purchased as new and/or rebuilt. I've seen my tech use a small hammer to tap on it to 'dislodge' a stuck one. But again, this happens ALL the time. So a mystery ?

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Regards . . . . JimF
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'94 S500 Cpe

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