What year, 89-200x?
what engine options.?
if say a 89-98
there are 3 temp sensors.
1 for AC
1 for gauge. 1wire.
2 for ECT engine EFI ECU usage.
which sensor.
i cant answer due to year, issues. not stated
but its here.
http://www.fixkick.com/find-parts.html
now my wild guess. ill roll the dice and land 1995 16v. head.
all 3 (AC is plugged,)
http://www.fixkick.com/sensors/thermostat/96-stat-mine1w.jpg
ps: tell which sensor and ill link my shematic page, or do a search there, and type schematics. its there. (for ECU)
ect is 2 wire. sorry,
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SOURCE: 98 ford f-150 temp gauge and light problems
the intake air temperature sensor is located inside the air intake duct which is where the air filter is located pull the rubber tubing off the throttle body and look inside with a light and you will see it
SOURCE: teampreature gauge not working
Sounds like you have installed a 'over-temperature switch' type sender unit- this type of sensor is only meant to control an over-temperature alarm indicator lamp that is either 'on' or 'off'.
The temperature gauge requires a 'variable resistance type' temperarure sensor to control the meter deflection.
When cold the temperature sensor is of high resistance, hence less meter deflection;
when hot temperature sensor is of low resistance, hence more meter deflection.
You need to procure a matching sensor to suit the type of gauge installed.
Is it possible you have connected to the temperature wrong temperature sensor? - most vehicles are fitted with both a gauge type (variable resistance) sensor to drive the temperature gauge, as well as a switch type (on or off) sensor to drive the overtemp indicator light.
SOURCE: Temp gauge goes high. Radiator leak just the
It could well be a faulty thermostat- test or replace same.
Could also be a blocked radiator core, - check coolant or airflow is not restricted,
Ensure any radiator leaks are repaired,
Ensure coolant level is correct, without airlocks - bleed as necessary on re-fill,
Check operation of cooling fan - ensure fan runs at appropriate engine temperature - if not check sensor switch and associated relay operation.
Thermostat is located at the end of top radiator hose where it connects to engine housing.
SOURCE: replaced thermostat,heater core and still no heat
the dommed part of the T-stat goes up, it won't go in backwards as memory serves me, what u almost certainly have going on here is the Air temperature control electric bend door actuator s defective, and the door is stuck in the cold air position in the heating/ac duct, to replace this the dash must be removed from the car..
SOURCE: My 2001 ford Taurus heating temp gauge is not
Start the engine when cool, remove rad cap and start engine and let it run with the heater on. (not defrost) Top up coolant as needed in rad, and let it run until either the rad fan comes on and off 2 or 3 times, or you can see increased flow in rad from thermostat opening. It will obviously happen after it reaches operating temperature, so watch after gauge gets close to there. Wait until you see that flow 2 or 3 times or fan comes on and off before you put cap on, and fill return bottle to proper level as well. That should cure it, by getting air out of system, and coolant flowing through heater core.
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