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12-06-2006, 03:42 PM
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Moderator
Join Date: Aug 2000
Location: Milan, OH
Posts: 2,699
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Re: Code 91, O2's again??? WTF???
Few things to consider. (1) Don't try to do resistance tests to check for O2 health. You'll short the O2's out with the high impedence. (2) Common things will shorten their longevity....RTV, antifreeze, and leaded gas are just a few. (3) Poor grounding will increase the resistance of the heater circuit and kill them quicker. (4) Exhaust leaks near the reference source will lead to near zero voltages.
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Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!" |
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