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o2 sensor

  1. MKI, 84-89 NA & SC
    Hi all, '86 mr2 with recently rebuilt blacktop engine, probably 25-50k on it. My O2 sensor came very loose (almost fell off) and i idled it for about 20 mins before I realized what went wrong. (The car was running very badly like this). I fixed it all up and now, about 3 weeks later, the car...