The mass air flow sensor on higher mileage cars occasionally needs to be cleaned or replaced if sluggish acceleration is experienced or the Check Engine Light is illuminated with a mass air flow meter sensor fault code stored.
Problems for specific Toyota Corolla years:
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Repairpal verified 2000 Toyota Corolla problems
Occasionally, the timing chain and sprockets need replacement due to premature wear and problems with the variable valve timing system (VVTi).