temp above 210 degrees ?
open already. It's the fans and radiator that set the
upper temperature, the thermostat only sets the
low end. It has no authority because nobody's "got
its back" (not enough cooling airflow w/ fans off).
So do not waste your time and money on the "160"
thermostat. Just get the fans programmed right.
If it stays at 210 that is normal. On 1999-2002 it only moves if it is overheating.
So even if you put a 160 thermostat in, the gauge will still read 210 on a 1999-2002.
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Last edited by 00_transam_vert; Feb 12, 2008 at 01:05 PM.
PCM. There is no particular calibration and not any
continuous, linear indication of real temp. The ECT
(stock) for kicking on low speed fans is 226F (off
at 219F).
To summarize it, on a 1999-2002 F-body the temp gauge will read 210 at operating temp unless the car is overheating.
Tis' why the gauge will jump up or down really quickly at times - if your car tends to overheat.


