Question about 1996 Mercury Grand Marquis

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96 mercury loses power going up a steep grade

I have a 96 mercury grand marquis. when going up a steep grade it loses power and barely makes it. when it started doing this the check engine light came on the codes said bank 1 and 2 lean i changed fuel filter o2 sensor but the same it runs a little rough at idle. it acts like it is not getting enough fuel but has never stalled out even going up steep grades . any ideas

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It may be a leaky injector. The injector is connected to the bank. 1 of 2 fuel rails.

Posted on Jul 01, 2009

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