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some_other_dave · 05-21-2009, 05:17 PM

A 1999 model year might have more than one O2 sensor. Did you replace the wrong one?

You should also check the electrical connections to the sensor(s).

-soD

05-21-2009, 05:17 PM	#3 (permalink)
some_other_dave Master EcoModder Join Date: Jul 2008 Location: Silly-Con Valley Posts: 1,479 Thanks: 201 Thanked 262 Times in 199 Posts	A 1999 model year might have more than one O2 sensor. Did you replace the wrong one? You should also check the electrical connections to the sensor(s). -soD