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98 F150 sputters on accceleration

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Old 07-29-2010, 01:54 PM
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Default 98 F150 sputters on accceleration
Ive changed fuel filter and air filter, still chugging and sputtering, any suggestions. Its been doing this for awhile, never stalls, can make it go away by flooring it and laying off, but its very bad now, that isnt working. 112,000 miles 5.4 v8
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Old 07-29-2010, 11:21 PM
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Try cleaning the MAF with MAF cleaner.
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Old 07-29-2010, 11:39 PM
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Originally Posted by Green Monster
Ive changed fuel filter and air filter, still chugging and sputtering, any suggestions. Its been doing this for awhile, never stalls, can make it go away by flooring it and laying off, but its very bad now, that isnt working. 112,000 miles 5.4 v8
What is your fuel pressure? You can get a pressure tester cheap, or rent one at a local parts store. Could be fuel pump or fuel pressure regulator. Let us know the pressure.
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Old 07-30-2010, 07:58 AM
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Sutter or missing? Bad plug or cop more than likely....
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Old 07-30-2010, 09:45 AM
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Originally Posted by westtnfx4
Sutter or missing? Bad plug or cop more than likely....
x2 check/replace all plugs and coils
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Old 08-17-2010, 10:58 AM
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Thanks for the suggestions, I will try them and see if they help, fingers crossed!
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Old 10-24-2010, 06:58 PM
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what should the fuel pressure be?
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