2002 Mazda Protege Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2002 Mazda Protege

The timing belt tensioner pulley may make a squealing noise from the timing cover area on cold startup. An updated tensioner with a thicker mounting bracket to eliminate vibration may be needed to solve the problem.

An electrically shorted air flow sensor can cause a crank-no start condition. Diagnosis may show that ignition spark is normal, and there are no trouble codes stored.

A loose or corroded ground terminal on the driver's side of the cylinder head can cause a rough idle, misfires, and there may be trouble codes. Restore the ground to the cylinder head.

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I had the rotors replaced, and am wondering what else should be given my attention. The check engine light came on with a code reading P0455 - Evaporative Emission System Leak Detected (Large Leak) Whats the worst I can expect? thank you

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