"ENGINE TEMP" light stays on... ? - Ford Powerstroke Diesel Forum
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Old 01-20-2011, 06:47 PM
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"ENGINE TEMP" light stays on... ?

driving down the road, and the "ENGINE TEMP" light came on, and refuses to go off despite my best efforts..... changed the oil temp sensor, still on ...

any ideas, I'm plumb baffellizzed....

P.S. scanned it, no codes, and oil temp shows normal.....
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Old 01-20-2011, 07:48 PM
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anybody ??
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Old 01-21-2011, 01:08 PM
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INFO

removed the exhaust backpressure sensor, cleaned it, plugged it back in to the pigtail (with the tube open), and fired it up and blew the crap out, screwed it back in, and after driving it a few miles, 5 or so, the recalcitrant little PITA decided to give up, and turned itself off. it did not go without a fight, however, it flickered on and off for a couple-three minutes, and then finally stayed off.
we be back in Strokin' Heaven....
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Old 01-26-2011, 05:09 AM
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"The rest of the Story"......:

so I found out that there are TWO (2) temp sensors for the coolant...one on top of the waterpump, (it runs the gauge in the dash) and one hidden under the alternator bracket BEHIND the line that goes to the CPS. (it's the one that runs the light)....and for some reason it's the most expensive (figgers) finally found the little sucker, changed it, and the light is now out. and I have a really clean EBP sensor & tube....

far as I can tell, the light really doesn't DO anything, just tells you it's too hot...no harm, no code set, nothing, just the light came on....more of Ford's wisdom I guess.....

P.S. the ford #'s are : F4TZ 10884-B ( for the LIGHT)
: F1SZ 10884-A (for the GAUGE)

Last edited by OL' OutLaw; 01-26-2011 at 05:18 AM.
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