I have a 2003 montero sport xls and in the last two years I have replaced all 4 oxygen sensors. Now another one is bad. Is there a reason that the sensors keep going bad?

10

Asked by Jul 06, 2013 at 10:44 AM about the 2003 Mitsubishi Montero Sport XLS

Question type: Maintenance & Repair

3 Answers

The one closest to the combustion process?...these things just burn away 'till you're left with just a nub...perhaps if you lean out the mix (if you can) and advance the spark (if you can) you'll slow the degradation of these 02 senders~....they get kinda gobbled up with combustion...try to keep the combustion back where it belongs...a tune up with an aggressive spark would be my solution~

1 of 1 people found this helpful.

What? tune-up is NOT a 'mark helpful' type answer? what kind of answer were you expecting....BUY a gross...have them drop shipped?....just get a tuneup, and punch "mark helpful" so the judge did not waste his time here...thanks~

1 of 1 people found this helpful.
10

Calm down first of all. This is the first time I have ever used this site before. So regardless you got your "marked helpful" geez

1 of 1 people found this helpful.

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