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What is a DTC P1484 for a 2002 Trailblazer?

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βˆ™ 2006-12-02 20:13:21

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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!

2006-12-02 20:13:21
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