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2002
Ford Ranger 2.3L 4-cylinder p1432 code
I had this code on my Ranger. The dealer charged me $130.00 to tell me
it's the electronic thermostat and wanted $500.00 more to fix it. I
located one on Ebay and put it on myself for about $110.00. After I got
the new one installed, the auto parts dude reset the check engine light
and I was good to go. I inspected the old unit and sure enough, the
little tiny connectors on the wire plug looked fried and black. I had to
remove a keeper clip to pull that wire connector out for inspection.
So
based on my experience if you're getting P 1432 code and a fried
connector, it may be time to replace the electronic thermostat.
Also
of note is that I purchased a 2001 2.3 Ranger thermostat. The folks that
sold it said it's the same part, so I trusted them and It's working well
so far.
After closer inspection it looks like I broke the wires off a thermistor
coming out of the thermo housing. It appears that the thermistor is
imbedded in epoxy and it's fried to a crisp.
The
2001 and later 2.3L engines has a thermostat that is part of the
housing. The thermostat and housing is replaced as a unit. It can be
located by following the LOWER radiator hose down to the engine block.
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