Car Problem Reports

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

 
Toyota Corolla Problem
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Model Years Affected: 1992, 1993, 1994, 1995, 1996, 1997, 2007

Average Mileage: 62,625 mi (250 mi - 125,000 mi)

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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, , 250 mi

    i have a problem with throttle position sensor it always having erratic rpm. toyota corolla, 1.6J manual and 2007 model

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