Medium and Heavy Trucks
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Dear seeking advice,
My name is ***** ***** I have been since 20 years a professional mechanic. I have read your offer by JustAnswer and Im trying to help you.
If you get this error it is 99% of the time the throttle valve itself and not the air mass meter. (P0101)
It is actually enough to clean them. If the error reappears after cleaning, replace the restrictor.
The first symptoms of a sensor / motor defect are decreased engine performance, engine shudder, speed fluctuations when idling and a slow drop in speed after the driver releases the accelerator pedal.
If the potentiometer is defective, a different error code would be stored.
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