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engine is cutting back ???

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Old Nov 13, 2007 | 04:51 PM
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jvillewhodat's Avatar
jvillewhodat
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engine is cutting back ???

My 1998 f150 usually run very well, however over the last couple of months, it will running good then all of a sudden it will cut back like a jerk motion,then it will run good again. It seem to do this more when I am going up a hill.
ANY IDEA WHAT THIS CAN BE??????
 
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Old Nov 13, 2007 | 04:54 PM
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chrisf250-460
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Is the cel coming on if so any codes? could be a c.o.p.going bad.how about the plugs?
 
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Old Nov 13, 2007 | 04:56 PM
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no the check engine light is not comimg & by the way i know very very little about working on autos...
 
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Old Nov 13, 2007 | 05:06 PM
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chrisf250-460
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If you are considering working on your own vehicle, then it might be helpful to buy a repair manual,they are not exact but can be very helpful.what size engine do you have?
 
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Old Nov 13, 2007 | 05:13 PM
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this is a V6 4.2
 
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Old Nov 13, 2007 | 05:14 PM
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Wilber15
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Go get it scanned. Certain limits have to be met to set a code and flash the CEL. You could have codes pending that will not set the light, but will show up if you get the PCM scanned.
 
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Old Nov 13, 2007 | 07:07 PM
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dieselbogging
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Could be your fuel pump giving out due to a plugged fuel filter or just the fuel filter itself giving you trouble. I had the same problem when i bought my truck. It was at 190,000 km with the original motocraft filter. Plugged. Changed and problem solved. Just like the other guys said, get it scanned and see if you have a certain cylinder misfiring. Poor plugs might do that too.
 
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Old Nov 13, 2007 | 07:10 PM
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thanks i will get it scanned for any codes.
 
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