Car Problem Reports

Toyota Paseo Throttle Position Sensor Out of Adjustment Due to Wear/Carbon Build-up

Toyota Paseo Problem
10 Reports
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Model Years Affected: 1992, 1993, 1994, 1995, 1996, 1997

Average Mileage: 167,666 mi (104,000 mi - 253,000 mi)


The Throttle Position Sensor can get out of adjustment due to wear in the throttle body or due to carbon build up. This will cause the idle timing to advance more than 30 degrees which will cause very high HC and NOx emissions. Conversely, the Throttle Position Sensors can wear out and not properly advance the timing which causes a lack of power and poor fuel economy.

  • Visitor, , 253,000 mi

    Gas mileage went from 320 per tank to less than 200
    Replace TPS, reset check engine light

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