Ford Mustang Forum - View Single Post - Air/fuel ratio spiking in a new Mustang, sometimes losing power.
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post #22 of (permalink) Old 02-05-2013
2011GrabberGT
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Joined: Aug 2010
Location: Homer Glen
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RPM, TPS (or APS), Engine Load...... It's almost definitely a misfire regardless of all of that, based on everything else you're experiencing. What bank sensor are you reading off of? That'll be the suspect bank and narrow it down a bit.

2011 GT 6MT (Cookie Monster) - The 1/4 life crisis. Brembos, 401A, drop top, Grabber Blue.

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