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Re: Fuel trims and catalyst efficiency
Posted to Technical Discussion Forum on 5/29/2012 2 Replies

hey Tony

both o2 sensors were replaced, along with the converter. lets go with at 90K, that they were bad and something caused them to go bad.

the converter is bad again, the o2 sensors are probably going out again as well.

what can cause that, tune up h... Login to read more.

2 Replies Received (View Replies)