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99 F-250 stalls while accelerating

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Old 01-19-2013, 02:00 PM
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need more info...gas or diesel...mine had that problem it was one of the first symptoms of my fuel pump dying
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Old 01-19-2013, 02:40 PM
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Gas. Just changed my fuel pump 8-9 months ago. It doesn't start when first start driving truck. But starts when I try to accelerate onto the freeway. Could it be the throttle body.
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Old 01-19-2013, 03:06 PM
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did you put on a new fuel filter as well...so you saying it stumbles when hard accelerating like on ramp merging or passing
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Old 01-19-2013, 03:14 PM
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Yes, new filter and new pump. Even when I try to just go 3000 rpm at around 40 it doesn't really stumble it stalls, almost like what running out of gas feels like.
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Old 01-19-2013, 03:29 PM
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really sounds like its not getting enough gas...I`d look to do a fuel pressure test...get the test tool and you can hook it to a valve right on top of fuel rail near back on passenger side rail think 28-44 is normal if I recall
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