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O2 sensor


bronco1960
07-31-2010, 04:31 PM
O2 sensor on bank 1 and bank 2 runs lean engine per code dies at stop sign what is the wrong

Airjer_
07-31-2010, 09:30 PM
Vacuum leak. Leaking intake gaskets and rubber elbows on vacuum lines are pretty common. If its running funky and it is a vacuum leak you should be able to hear it with the hood open and a little poking and proding.

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