neohic Posted September 3, 2007 Posted September 3, 2007 In my '88 MJ, is there any such thing as an oxygen sensor relay? If so, where is it located? Thanks!
Geonovast Posted September 3, 2007 Posted September 3, 2007 I don't think so. If there was one, it would tell you in your owner's manual. I've never heard of an O2 sensor relay.
Eagle Posted September 4, 2007 Posted September 4, 2007 One of the three or four relays in the bank of relays on the passenger fender is an O2 sensor heater relay, I believe.
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