coolant temp 39 deg!
Postmaster
Joined: Sep 2007
Posts: 4,195
Likes: 6
From: Medford Oregon
Totally non-scientific observation on my truck ...
When coolant temp gauge is just to the left of "N" EOT is 160*.
When coolant temp gauge is centered on the "N" EOT is 170*.
When coolant temp gauge is 3/4 on the "R" EOT is 200*.
At idle with EOT @ 160* injector pulse width is 1.3 ms.
At idle with EOT @ 200* injector pulse width is 1.0 ms.
When coolant temp gauge is just to the left of "N" EOT is 160*.
When coolant temp gauge is centered on the "N" EOT is 170*.
When coolant temp gauge is 3/4 on the "R" EOT is 200*.
At idle with EOT @ 160* injector pulse width is 1.3 ms.
At idle with EOT @ 200* injector pulse width is 1.0 ms.
Posting Guru
Joined: Nov 2003
Posts: 2,214
Likes: 0
From: THUNDER BAY
I would get a new housing at the same time they are not that much diesel site has them as well saves on the cursing down the road when the old one will not stop leaking lol
Posting Guru
Joined: Mar 2008
Posts: 1,669
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From: Billerica, MA
I wonder if that is the same Tom S as over on PSN? If so then (I know you've been a member for a while) Welcome to FTE! I don't think I've seen you post over here before so glad to see you around.
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
I bought the DashDAQ and it also reports a random number for the coolant temp.
Fired it up the other morning, coolant temp was -247 F, so I put on more cloths.
After reading through the 97 service CD, engine oil temp is the only thing the PCM reads.
After reading this thread, my next question is where is the second coolant temp sensor?
No mention in the service CD and I can only find the one in the water pump by the thermostat on my 97.
Now I can see I need to pay attention to the injector pulse width in relation to engine oil temp to see where mine is running.
Fired it up the other morning, coolant temp was -247 F, so I put on more cloths.
After reading through the 97 service CD, engine oil temp is the only thing the PCM reads.
After reading this thread, my next question is where is the second coolant temp sensor?
No mention in the service CD and I can only find the one in the water pump by the thermostat on my 97.
Now I can see I need to pay attention to the injector pulse width in relation to engine oil temp to see where mine is running.
PREMIUM SPONSOR
Joined: Sep 2003
Posts: 2,630
Likes: 217
From: North East Ohio
You can get the adapter and sender to make it read true, all it takes is a little more $$$.
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'96 7.3 F-350 Reg Cab 4x4 - bought new.
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Joined: Jun 2007
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From: Austin, TX
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Senior User
Joined: Dec 2006
Posts: 176
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From: Dundas, IL
OK took it for a spin and was getting on the throttle a little more than usual and all i could get up to was 175. Before I started Oil temp was exactly what the air temp was so the sender was at least correct there. Mileage feels down, its just past half, dropping fast, and have gone 135 miles on the front tank. Don't pull anything most of the time so a 203 is probably a good investment for me just wish it wasn't like 50 bucks after shipping to get 1 thermostat.
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