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Old 07-03-2008, 01:09 PM   #1
bwcall
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Join Date: May 2007
Fan#: 46674
Location: Dallas
What I Drive: 2003 CD Silver Focus SVT

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Fuse 18 Keeps Blowing

I had my CEL on for a week or so, got it checked at AutoZone, it was the code that shows O2 Sensor 1 as malfunctioning. So I go ahead and order a new O2 sensor, but in the meantime I'm reading up a little bit and read about checking Fuse 18; it was blown.

So I replaced the 10A fuse with a 25A fuse (all I could find spur of the moment), and that fuse blew too after about 2 miles of driving.

I do some more reading and people suggest it might be a problem with the ECU. I guess it's time to get that checked. Is there some kind of warranty covering the ECUs? 8/80,000 correct?

I guess my questions are, is it worth taking to get the ECU looked at? Could it be something else? Should I check all my O2 sensors and make sure they are Ford Motorcraft brand before I take it into the dealership?


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