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.
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Newest reported Toyota Echo problems
Occasionally the timing chain and sprockets need replacement due to premature wear and problems with the variable valve timing system (VVTi).
On certain models, the crankshaft angle sensor has been found to be defective and may be replaced under warranty.