Mitsubishi Lancer and Lancer Sportback Newer to the United States, the Lancer line offers a sporty compact sedan, with all of the fine styling of the performance minded Evolution.

02 Lancer oz. listen to this.........

Old 02-20-2009, 04:28 PM
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Default 02 Lancer oz. listen to this.........

Okay i just put one a whole new exhaust, new cat. converter and everything. Went to get a inspection today.. the guy ("mechanic") told me the cat was on backwards because the o2 sensor is suposed to go behind the cat.? and not infront? but i still got the old exhaust together checked it out. its the same exact way i have the new one on. and that old one was replaced by mitsubishi due to the re-call they put out.. so i would assume they know what the hell their doing?. so who is right? and i dont think the wire from the o2 was long enough to reatch. any help would be nice.. Thanks.
Old 02-20-2009, 07:48 PM
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Well depending if its a monitored cat there should be two o2 sensors one before and one after the cat.

How many cats are on the stock exhaust?
Old 02-21-2009, 07:40 AM
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theres one cat. the 2nd o2 sensor is on the cat..
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