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I replace bank 1 sensor 1 and bank 2 sensor 1 and it still pick it up on the code scanner i haveand i cleared the code but the check engien light still come on.

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So what code are you trying to fix? 80% of all oxygen sensor codes cannot be fixed by replacing the oxygen sensors.
What kind of car are you working on? What is the year, make, and engine size? Different cars have different common problems that cause O2 sensor codes
'
A little word for the wise:
Fault codes retrieved from the onboard computer systems in automobiles NEVER tell you which parts to replace. All the fault codes do is tell you which of the many circuits and systems that are monitored by the computer is malfunctioning. Once the fault codes are retrived, the circuits or systems involved must be diagnosed to find the actual cause of the problem or failure.

One of the biggest misconceptions of the American public is that all an auto repair technician has to do is plug-in the "Magic Box" and it will tell him exactly what is wrong with the car and what parts to replace. Nothing can be further from the truth. I really wish it worked that way. If you find one of these magic boxes, let me know, I need one...LOL

Posted on Mar 12, 2011

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