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Old 10-01-2014, 03:45 PM   #1
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F-53 Temperature gauge or idiot light

I was complaining to the Ford truck service manager that my Temperature gauge never moves off from dead center. I was amazed when he said it's not really a gauge but really just an idiot light that only shows good or overheated. He says they call it an idiot gauge.

Does anyone know an easy way to install a real temperature gauge. I know when I'm climbing long grades I can feel the whole floor and doghouse getting hotter, but the idiot gauge doesn't move. I'd like to know what's really going on before I overheat.
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Old 10-01-2014, 03:50 PM   #2
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ScanGauge - Trip Computer + Digitial Gauges + ScanTools
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Old 10-01-2014, 04:13 PM   #3
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He is pretty much right. The gauge has a calibrated section of temperature that it stays in during the normal temperature ranges of engine operation. Normal cruise the temps tend to stay in the 192-197 range however if pulling a hill hard it can climb 205-210 maybe. Most drivers may see the gauge move and think it is over heating and take it to the dealer when in fact it is absolutely normal temps. With systems that use electric cooling fans the normal temperature that it turns on is around 220F. High speed fan kicks in at 240. Some engines are slightly higher. The scan gauge is your best bet if you want to monitor many different functions of the engine.

BTW, depending on your chassis the t-stat does not open fully until 210F.
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Old 10-01-2014, 04:47 PM   #4
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Scangauge it is. One night to read up on it, order it from Amazon in the morning, hopefully have it ready for my week of mountain driving ten days from now.

Thanks guys! (Perhaps ladies too, you never know who's actually behind all those online names)
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Old 10-01-2014, 06:22 PM   #5
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Scangauge II with xgauge. I had to enter the codes to monitor my engine. Also scanguage will read the codes from a check engine light but it does not tell what the codes means. I printed out of listing of what the code mean and keep it in my RV. And while I thinking about it scanguage does not read ABS codes. That being what it is, I really like my scanguage.

X-Gauge Commands : Linear Logic - Home of the ScanGauge
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Old 10-01-2014, 06:40 PM   #6
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Whom, who would have thunk it........ you learn something new every day!!!!

Thanks for the INFO!

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Old 10-01-2014, 07:46 PM   #7
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Also have a Scan Gauge. Programmed to display transmission temp, cylinder head temp, average MPG and instant MPG. I think it has paid for itself with the MPG readings giving me direct feedback to lighten my right foot a bit.

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Old 10-02-2014, 01:35 PM   #8
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Sweet looking dash. The scan gauge is a plus. With the ability to monitor 4 functions at once makes it nice. One down side is not all outputs are supported by the data stream coming from the OBDII connector. I wanted to read cylinder head temperature (CHT) and tried every alternate code from a posting on the net and nothing worked.

I figure that CHT would give a more accurate and timely response of actual work being done by the engine when climbing hills. The coolant temps will rise some but the system is constantly trying to keep the coolant temps within a range. I am able to monitor transmission fluid temps (TFT) which is good on a long climb but again that temp is also being controlled by the cooling system, which is also good.

If anybody is successfully monitoring the CHT (Scan-Gauge) on a 2013 V-10 on the Ford F-53 chassis let me know what the code is.

Thanks,
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Old 10-02-2014, 04:36 PM   #9
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Quote:
Originally Posted by TeJay View Post
Sweet looking dash. The scan gauge is a plus. With the ability to monitor 4 functions at once makes it nice. One down side is not all outputs are supported by the data stream coming from the OBDII connector. I wanted to read cylinder head temperature (CHT) and tried every alternate code from a posting on the net and nothing worked.

I figure that CHT would give a more accurate and timely response of actual work being done by the engine when climbing hills. The coolant temps will rise some but the system is constantly trying to keep the coolant temps within a range. I am able to monitor transmission fluid temps (TFT) which is good on a long climb but again that temp is also being controlled by the cooling system, which is also good.

If anybody is successfully monitoring the CHT (Scan-Gauge) on a 2013 V-10 on the Ford F-53 chassis let me know what the code is.

Thanks,
TeJay
Your engine temps are only monitored via a CHT. So what ever engine coolant temperature reading you get from the scan gauge is coming directly from the CHT. Per the workshop manual
"The Cylinder Head Temperature (CHT) sensor monitors the cylinder head temperature and is hardwired directly to the PCM. The status of the cylinder head temperature is sent from the PCM to the Instrument Cluster (IC) over the High Speed Controller Area Network (HS-CAN) communication bus."
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Old 10-02-2014, 08:36 PM   #10
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James,
What a bank of Ford knowledge. WOW!! Some how I knew you'd probably have the answer. That's good information to know.

Thanks much,

TeJay
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Old 10-04-2014, 05:44 AM   #11
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Is the Transmission guage also a Sensor?

When did Ford go to this type gauge?
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Old 10-04-2014, 08:10 AM   #12
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Is the Transmission guage also a Sensor?

When did Ford go to this type gauge?
The transmission temp gauge is based on the transmission temp sensor in the pan. That gauge will rise to normal a lot faster than the transmission temps will. It will also not move around with trans temps unless it remain unusually cold or unusually high. They started in gauge in 2004 or 2005 with 6.0L diesel with the auto trans.
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Old 10-06-2014, 05:58 PM   #13
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Quote:
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If anybody is successfully monitoring the CHT (Scan-Gauge) on a 2013 V-10 on the Ford F-53 chassis let me know what the code is.

Thanks,
TeJay
My gauge is monitoring a 2006 model year engine. The gauge is configured to read the CANSF protocol and I used the codes as listed on the Scan Gauge web site. Engine temp reading hangs around 210F and transmission around 165F. You have to be very careful to enter the code correctly. Very easy to get one number of the string wrong.

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Old 10-08-2014, 05:11 PM   #14
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My tranny temps barely ever change on my SCII, even towing a 5K minivan up a steep hill.
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