o2 sensor pulled a check engine light!
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Joined: Nov 2001
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From: Western Massachusetts, US
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o2 sensor pulled a check engine light! Last week I pulled a check engine 
light so I drove right to my buddys shop and scanned the codes, it was and o2 sensor code, so we cleared it. Well today it came back , what do I do? The car is out of warrenty and has never pulled a check engine light before. The mods are below, nothing crazy, no hi flow resonators or anything like that and the car has 43,000 m. Thanks!
light so I drove right to my buddys shop and scanned the codes, it was and o2 sensor code, so we cleared it. Well today it came back , what do I do? The car is out of warrenty and has never pulled a check engine light before. The mods are below, nothing crazy, no hi flow resonators or anything like that and the car has 43,000 m. Thanks! 
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From: Lost Angels
Rep Power: 303 An o2 sensor doesn't cost a lot. You can also unscrew the thing and see if it is choked with carbon. Clean it with a wirebrush and blow it out with compressed air. It may work fine again. Worth a shot before you replace it. They DO go bad, or get poisoned by too much carbon.
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