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Re: 96 GM lean bank 1 lean bank 2
Vacuum leaks anywhere after the MAF can cause this code or the MAF itself. Check the vacuum lines on the right side of the engine beside the throttle body. There is a vacuum tee that likes to collapse and leak. There is a vacuum line that plugs in to the throttle body at the bottom left side. It is a straight piece of hose on the end of a plastic line. This one also collapses and leaks.
It is also possible that you have two bad o2 sensors.
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LT  Knowledge IS power 68 Mustang 200, 68 Mustang 302, 89 Tbird Supercoupe, 94 Tbird 3.8, 94 Bronco XLT 351
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