Thread: 560SEL Bogging AT Wide Open Throttle
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  #9  
Old 03-12-2016, 04:24 PM
Frank Reiner Frank Reiner is offline
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Join Date: Feb 2011
Location: Modesto CA
Posts: 4,395
With the throttle switch checked, turn to the basics:
Compression check.
Spark plugs.
Ignition wires.
Coil.
Dist cap & rotor.

Is the car still fitted with the 420 ECU, or has one from a 560 been installed?
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