Generally, with that code your SUV should sound like a jet taking off and your gas mileage is starting to become horrible.. Welcome to the world of inferior fan clutches from GM.
You'll need to replace it like i just did, and after calling GM, there are no recalls or bulletins on the issue even though you can pull up thousands of problems with them on Google. Good luck
Trouble code P0301 means: Cylinder 1 Misfire Detected
Trouble code P0440 means:Evaporative emission control system malfunction
A few weekends ago I had to replace the fan clutch on my '06 Trailblazer EXT LS. In addition to getting the P0495 code from the check engine light, when I rev'd it up it sounded like a jet engine. Instructions: http://www.diystew.com/2006-trailblazer/
P1484 - Cooling Fan System Performance Cooling fan rpm error. When I had that code it was accompanied by p0495 .. Which is cooling fan speed too high ... I changed the fan clutch because they are notarious for problems .. And then 3 days later changed the water pump .. Cost me about 250$ to do it myself ... The shop was gonna charge almost 1800$ haven't had a problem since!
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error code o0125 ford explorer 2002
You will get error code P0016. And you will hear engine knock.
Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)
parking brake
Anything is possible but it is unlikely - the error code P1166 is for the primary oxygen sensor.
Trouble code P0304 means:Cylinder 4 misfire detected
Trouble code P1811 means: Long Shift & Max Adapt