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1989 Mazda 626 Troubleshooting

Slotting neatly between the 323 and 929 is Mazdas mid level offering; the 626 sedan and coupe. This third generation 626 brought with it updated styling, a choice of 5- speed manual or 4- speed automatic transmissions, and a torquey 2.2L, 4-cylinder engine that incorporates a unique 12-valve head design. These vehicles are known for their outstanding reliability with some still in use today. High mileage on the Mazda 626 can result in a few common issues that can be easily addressed and repaired.

Instructions

1

Tune-up the vehicle by changing oil, brake and transmission fluid. Install new spark plugs/wires, and replace clogged or dirty air and fuel filters. This service is suggested every 12 months and will help keep the Mazda running optimally; as well as address issues like an engine misfire, hesitation, and poor idle/fuel economy.

2

Connect an engine code reader to the 626s diagnostic port to quickly identify any faulty components.

3

Replace dirty or contaminated engine coolant, and install a new thermostat to help correct extreme engine temperatures or weak cabin heat.

4

Hook up a multimeter to test alternator and battery voltages. A voltage reading lower than 12 may cause starting issues and potential misfires.

5

Perform a brake inspection and replace damaged rotors or excessively worn pads (close to the metal indicator), to alleviate poor braking performance.