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Old 03-22-2007, 08:22 PM   #1
boshot427
Scooby Newbie
 
Member#: 116370
Join Date: May 2006
Chapter/Region: SCIC
Location: Palmdale, CA
Vehicle:
2001 Impreza 2.5RS
silverthorn

Default cooling/radiator fan rationality check?

I replaced my rear o2 sensor and my check engine light came back on and so we thought that it had a bad connection but this time i got a -cooling fan rationality check- What is that? How do you diagnose and fix it? I already checked the relays and those are fine
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