1993 e 150
Welcome to the site Raymond..
Any check engine light on? Also,, if you just open the throttle 'slightly' (just enough to be off idle) does it correct and run fine? If it were the fuel pump, it wouldn't have any top end performance. Generally fuel delivery/volume/filter etc. problems affect more of the cruise speeds.. EGR, TPS, or vacuum leaks can affect idle stabilty as well..
Any check engine light on? Also,, if you just open the throttle 'slightly' (just enough to be off idle) does it correct and run fine? If it were the fuel pump, it wouldn't have any top end performance. Generally fuel delivery/volume/filter etc. problems affect more of the cruise speeds.. EGR, TPS, or vacuum leaks can affect idle stabilty as well..
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joachim1340
Ford F-150
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Jul 11, 2012 09:29 AM
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Nov 23, 2011 01:36 PM



