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temp sending unit location for gauge

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Old 10-02-2008, 12:19 PM
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Default temp sending unit location for gauge

I'm looking for the location of the sending unit for my indash temp gauge. I thought it was the sending unit near the thermostat housing, but thats for the computer(so I'm told). I have a '88 302. Thanks in advance!

Last edited by Ironman73HD; 10-02-2008 at 02:11 PM. Reason: typos
Old 10-02-2008, 03:45 PM
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Hey bud if I remember correctly it is located on the firewall in front of the driver seat. Its been awhile since I have had my 88 F150. Wish I could remember.
Old 10-02-2008, 04:39 PM
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Im looking for where it threads into the engine. I'm having trouble locating it, and my manuel doesnt show it.
Old 10-02-2008, 06:57 PM
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On the intake manifold near the distributor.
Old 10-03-2008, 12:12 PM
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the guy from Napa said that was for the computer, it has a 2 prong slide-on clipping connecter, that is near the thermostat housing and the distributor. The Napa guy also said that the sending unit for the gauge may thread into the rear of the right head. It has a small threaded male end for the gauge to connect to. hope this helps clear up my confusion.
Old 10-03-2008, 06:23 PM
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No confusion, it's on the intake manifold near the distributor. The one for the computer does have more than one wire and is also near the distributor, but the one wire gauge sensor is lower.
Old 10-05-2008, 09:15 PM
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Default Several symptoms could be related

Hello my truck symptoms are:
1. Temperature guage registers low all the time, comes up a bit when I turn the engine off
2. Engine races when I start it. I replaced the air control valve, didn't help. I replace the temp sensor, 2-wire kind. Now I am reading there may be another for the guage?????
3.tested for vacuum leaks, didnt find any.
4. could the PCV valve be stuck open and pulling too much vacuum?
5. change the thermostat, probably did not need it.

Please help if you have some ideas. Every time I take into the dealer it's a big bill and I need to avoid that if possible.

Best Regards,
Doug Jarvis
Old 10-05-2008, 09:20 PM
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Originally Posted by dpjarvis25
Hello my truck symptoms are:
1. Temperature guage registers low all the time, comes up a bit when I turn the engine off
2. Engine races when I start it. I replaced the air control valve, didn't help. I replace the temp sensor, 2-wire kind. Now I am reading there may be another for the guage?????
3.tested for vacuum leaks, didnt find any.
4. could the PCV valve be stuck open and pulling too much vacuum?
5. change the thermostat, probably did not need it.

Please help if you have some ideas. Every time I take into the dealer it's a big bill and I need to avoid that if possible.

Best Regards,
Doug Jarvis
First read the computer for codes, this will tell you how:
https://www.f150forum.com/f10/how-retrieve-trouble-codes-obdi-10907/
And yes there is a separate sensor for the gauge.
Old 10-06-2008, 12:08 PM
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Sean
Thank you very much for you wisdom. You are of corse right. thanks again!
Old 10-06-2008, 08:11 PM
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Default Ford F150 sensors

First, Thank you 'Just call me Sean'.

I checked with Ford parts today and they showed both sensors in one of their pictures. The EFI sensor is just behind the thermostat and the guage sensor is near the base of the distributor (behind as you are looking from the front, and oriented in verticle position.

As for the "racing engine" condition, I have discovered a paragraph in Chiltons the when the throttle position sensor is not working correctly the engine will have the condition I have described. That one is not cheap at all....
Best to you all

Doug Jarvis


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