1999 Mitsubishi Galant OXYGEN SENSORS

1999 MITSUBISHI GALANT
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RAMSEYJLN
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Engine Performance problem
1999 Mitsubishi Galant 4 cyl Two Wheel Drive Automatic

WHEN REPLACING THE OXYGEN SENSORS, IS IT BEST TO REPLACE BOTH THE UPPER AND AND THE LOWER OXYGEN SENSORS
Mar 21, 2010 at 3:51 PM
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MERLIN2021
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If you have 100,000 + miles yes!
Mar 21, 2010 at 3:55 PM