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Code Po420 popped up on me a couple times already i picked up this car for free i,

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stephen jenks

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Jan 5, 2021, 9:01:49 AM1/5/21
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This 2000 protoge i got sat for a long time , it only has 62,740 miles on it looks new inside and out , runs great extremely quiet so i was curious when the Po420 code popped up ! one guy told m to change the O2 SENSOR ,?

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