hii all
please help me for this error code p 1484
i had my check engine light on ans reduse engine power in trailblazer 2002 lt after check they told me tow error
p 0420 catalyst system low efficient and
p 1484 cooling fan system perfomance

all technicien told me the automatic of the cooling fan must change but the last one (not proffesional ) told me the automatic is working well and the lamp will not go off if we change automatic of fan
automatic fan coast about 200 dollar
please help me what i must do step by step
please in clear and easy lang because english is my second languagh

i read about this error in this forume but i dont understand what i must do exactly

please please answer me tomorrow i must decide to begin replace parts

 

I would replace the fan clutch, you will need a special tool to remove it. You can buy the fan clutch and tool at the auto parts store.

 

thank you all
i replacerd the fan clutch and all its ok
no new lamp on