1998 Ford F150

1998 FORD F-150
140,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JKOSMAN
  • MEMBER
  • 1 POST
engine shacks at 1500 to 1800 RPM. ok when cold same in any gear including park. engine light comes on code says misfire in 3 cyl. replaced plugs, wires,egr valve. Auto shop checked fule pump, vacuum all good.
Apr 7, 2009 at 1:00 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
If everything is replaced and it still does the same thing, has anyone checked compression in that cylender?
Apr 9, 2009 at 2:05 PM
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