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435 code 850

posted by  someone claiming to be homer on  Wed Feb 19 03:18 CST 2003 [RELATED]

Every now and then our 850(95) sends a 435 code and puts the check engine light on. No divability problems--once reset--it may go weeks and be ok--suggestions???--tia homer








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    435 code 850

    posted by  Erwin on  Wed Feb 19 16:33 CST 2003
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    last visit: Thu Oct 23 10:39 CST 2014
    [RELATED]

    My 95 did exactly the same thing. I think I went 600 miles between clearing codes and resetting the light and 400 the second. 435 is "front 02 sensor slow to respond." I ended up replacing mine, $120 from FCPGroton.com, and after commuting a couple of days I was able to clear all the 435 codes and kill the CEL. No problems since, and like you, no driveability problems but I thought it should be replaced.
    --
    Erwin in Memphis, '95 855t







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