I have a 1991 ford 250 E-van with a302 engine when I go past 15 miles an hr it starts to shakes hard

1991 FORD E-SERIES VAN
16,700 MILES
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NORRO460
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  • 1 POST
i need to know if it is fuel system or engine
Feb 12, 2012 at 10:00 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
It could be the result of either. Have you had it checked for trouble codes?
Feb 12, 2012 at 10:03 PM
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