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New temp. gauge sensor - unhappy with results 200 1993

posted by  robbmcc on  Thu Jun 14 01:20 CST 2007
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last visit: Thu Oct 23 08:41 CST 2014
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Hi All,
Well, for the many years since I performed the temp-comp-board-ectomy my temp. gauge has been rock solid at just a breath below the 9 oclock dot. Not any more. Recently I was getting intermittent drops in the gauge reading (falsely) down to about 7:30 for no reason. I traced it to the gauge sensor and I replaced with FCP Groton p/n # 460191 which fixed the intermittent drop but now my new running temp. is around 10 which seems wrong to me. Is this just the way it goes or is there some caibration I can do? Maybe I should send it back? I'll do some resistance measurements this weekend at temperature but I did a quickie of both the old one (880 ohms at 70F) and new one (680 ohms at 70F) and the lower resistance of the new is consistant with a higher gauge reading (ie, if you ground the wire for 0 ohms the gauge goes high), of course I never know if the old one is in it's pesky intermittent mode or not. Any thoughts anyone?
Thanks,
Robb McC






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