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Q: Why will it not accelerate? on 1999 Mercedes-Benz E430

Starts with surge and then a high idle. Codes are P0110,P0100,P0136,P0604 & P1580. Replaced MAF, Pedal position sensor, throttle body, brake light switch & spark plugs. If the pedal is depressed fully when starting and run wide open, the engine will smooth out and then run normal with lower idle, acceleration, and run fine.
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