it may be the relay switch or a fuse blown check under the hood in fuse box #1 and fuse box #2.
As a gm tech at a Chevy dealer i have seen many impala catyletic converters get clogged. Your gm dealer has to warranty a new one if you have less than 80,000 on it
I'm gonna take a shot in the dark on this one and say that it might need some coolant added.
Bad thermostat, radiator, improperly working fan.
A faulty sensor in the engine block.
2001 Chevy suburban runs hot because the engine is heated up. There is heavy load coming upon the engine so it gets heated up.
my o6 chevy impala is lighting up on the dash that the engine is hot but the gauge is saying its cold what is wrong and how can i fix it?
Yes. New model for 2012, out late February.
Running the engine hot repeatedly.
Your Trailblazer may be running hot because your fan is no longer working. It may also be running hot because your don't have coolant in your car.
system running hot fans not running
Did u check your enigine cooling fan?
oil is thinner when its hot, that's why.