2005 Mitsubishi Galant Q&A

2005 Mitsubishi Galant Question: obdII codes

hi when i try to use the scanner i keep getting data link error what does this mean and what do i do to get the codes so i know whats wrong with this car thanks -
Answer 1
You are having connection problems between the diagnostic link and the scanner. You could have a blown fuse or wiring probs. You may also have a failed computer. -
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Have an obdII diagnostic tool and it says that all four of my o2 sensors have failed. Service engine light is on. Is there a central point where there may be a bad connection?