Hi, This is my first time on the site. I own a 1986 560Sl. The idle is not smooth but runs great in every other way. The determination by some shade tree mechanics is that the fuel distributor is not sending gas to the #2 on the Driver's side and very little to #4 on the passenger side. (it is running lean and hot)

When they open the fitting on the Fuel distributor to those cylinders very little gas comes out, compared to others.

Is there any way of running cleaner through the distributor? Connect a pump to circulate cleaner only, not to run the car? The vehicle was stored for a few months from Feb. to June
2003.

Does anyone have a recommendation for having this one rebuilt? or exchange for a rebuilt one. I am leary of used unless its been tested.

Thanks, Jack Reseda CA

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Monty