Focus Fanatics - View Single Post - Oxygen Sensors, OL faults, and crazy volts
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Old 01-21-2013, 07:54 PM   #18
jetrinka
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Join Date: Mar 2007
Fan#: 45622
Location: Snohomish, WA
What I Drive: 88 5-speed XR4TI

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Just trying to help...

The fact that the car isn't setting any codes and running so poorly gives me the gut feeling that something is wrong with the ECU or one of the power or ground feeds to it. The ECU will have several powers and grounds, not just one. It is not in a series circuit.
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