90KUTTY Posted March 10, 2004 Report Posted March 10, 2004 I have a 90' cs with a 3.1, What i need to know is where is the o2 sensor?how did you replace it, what size wrench did you use to take it off? pics would help if possible. thanx Quote
Flyby736 Posted March 10, 2004 Report Posted March 10, 2004 Its probably on right behind the rear exhaust manifold. If you go to your local auto zone, they will let you borrow an oxygen sensor socket for a deposit that is refunded when you return it. Quote
Robby1870 Posted March 11, 2004 Report Posted March 11, 2004 Yeah, its in the middle of the rear manifold. Rock the motor forward, it'll make it easier, use a 7/8" IIRC box end wrench to get it off, and unplug the connector. Install is the reverse of the above Quote
Justin Posted March 11, 2004 Report Posted March 11, 2004 Correctamundo on the 7/8" wrench. They can really be a beeotch to get off sometimes, so maybe some double wrenching or prybars will be in order as well. Quote
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