Question about 2000 Suzuki Grand Vitara
420 is O2 sensor, this can happen from putting the wrong replacement sparkplugs in or just age of vehicle this just happened to my suzuki vitara so i replaced the plugs ($18) and the code hasnt come up again yet. if it does come up again ill do the sensor ($180). prices indicated are do it yourself prices
Posted on Mar 23, 2011
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Posted on Jan 02, 2017
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