Well my upstream O2 sensors are not working. They are showing .1 volts. They did this when i got my car tuned last year but i just changed them the other day and they are still not reading any voltage. Where do i start looking for the gremlin? It sounds like wiring somehow but how can both be bad? Doesn't make sense? Is there a fuse for this type of thing? I'm guessing not but just hoping it might be a quick fix. How would i find out if it's a wiring problem anyway? Any other ideas?
Upstream O2's Not Working?
- Thread starter TweekedGT
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fuse #8 (might be #9) under the dash labels engine controll. chech that one, but usually youll get a CEL if its poped
*edit, just seen you have a 96, not sure if its the same or not
*edit, just seen you have a 96, not sure if its the same or not
Miles
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Sounds like we're having similar issues, except mine is just drivers side... i might just sift through the ford service manual 
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