Went to shop and was told I need to replace pcv tube. I have a check engine light on. I'm burning a lot of gas. No power after 80 with the pedal to the floor unless I'm going down hill. I'm also getting a code to replace oxygen sensor bank one and two. they have been replaced still getting same code.
How do you replace pcv tubing on 2003 Mazda B3000 on 2003 Mazda B3000
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