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#1
11-01-2007, 08:59 PM
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a new noise
The M104 in my 94 E320 shows a 6 flash code; something about idle speed control but it idles fine. However with the engine off and the key in the "run" position I hear a grinding sound from the engine compartment. What is this?
regards, Mark 
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#2
11-02-2007, 08:09 AM
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Making a diagnosis from that description would leave me to believe you are having a "throttle actuator" problem.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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