1990 Mazda Protege Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 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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water pump licking, the car is over heating

when i have about 1/4 or less gas left in my fuel tank car kinda chokes when turning and giving it gas on the corners, but when it straightens out it works fine. could it be water in my fuel tank?

currently was driving it and parked. when i started it and went down the road i had noticed that the speedometer had quit working. what would be the cause of that?

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Car runs great and great on gas mileage (about 35 mpg city). only problem ive had is with the speedometer quit working.

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