engine running lean in bank 2 on 4 cylinders

20

Asked by powell83 Feb 17, 2012 at 04:07 PM about the 2005 Ford Taurus

Question type: Maintenance & Repair

i replaced a MAS and fixed a vacuum leak but the car still misfires and coil
pack,plugs and wires have been replaced in the past few months any ideas on
what it could be?

3 Answers
21,415

Michael answered 12 years ago

It is running lean.. Which means it is not getting enough fuel.. Clogged fuel injectors? Could be a couple other things too.. May want to take it to have it diagnosed..

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20

powell83 answered 12 years ago

i put it on diagnostics last weak at the ford dealer and all it told me was the engine was running lean in bank 2 with cylinders 2,4.5 and 6 misfiring

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10,085

Mike answered 12 years ago

Pour in a whole can of Seafoam fuel conditioner with a full tank of gas. If that doesn't work then check the fuel pressure. If you're handy and have time, swap the injectors from 2 to 1, 4 to 3 and see if the problem follows to those cyliders. If so, injectors are bad. Best at this point to replace them all. Good luck!

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