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P0120 Diagnostic Trouble Code Discussion for July 2004

Throttle Position Sensor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0120
Help Request Posted
1996 Mercedes-Benz E300 3.0L Surge, MIL Lamp on VIN: WDBJF20F3T
This 300D will set a P0120 intermittently. I checked vacuum lines, the pressure flap vacuum motor & the filter inside the transducer(for restriction). I did find the vent hose that goes to the air filter housing loose. I reattached it.I tried swapping the ...
July 12, 2004