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  1. Fuel Throttle Position Sensor - Error P0121

    Engines and Transmission (8G)
    I've been experiencing some vibration at about 70mph upwards when the engine is hot and under load. On checking with an OBD2 tool I get Error: P0121 - Throttle Position Sensor /Switch a circuit range performance problem. (I was advised by a mechanic friend that the sensor was the most likely...
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