problem 1 check for vacum leaks.
problem 2 get the trans fluid checked.
problem 3 when you replaced the thermostat did you purge the air from the system ?
If so then you could have a blown gasket or improper coolant mix......
problem 4 Get it scanned for the ICP lights on.
Yeah have you checked to make sure you belt is still on ?
THis is how your fans work...
Quote:
The PCM commands Low Speed Fans ON under the following conditions:
The engine coolant temperature exceeds approximately 106°C (223°F).
The A/C refrigerant pressure exceeds 1310 kPa (190 psi).
The vehicle is shut off when the engine coolant temperature is greater than 140°C (284°F) and system voltage is more than 12 volts. The fans will stay ON for approximately 3 minutes.
The PCM commands High Speed Fans on under the following conditions:
The engine coolant temperature reaches 110°C (230°F).
The A/C refrigerant pressure exceeds 1655 kPa (240 psi).
When certain DTCs set.
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