What makes a 89 bronco with 5.0 pop and backfire when accelerating hard?

1989 FORD BRONCO
91,000 MILES
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CODY6384
  • MEMBER
  • 1 POST
Bronco backfires when accelerating hard and seems hesitant
Sep 27, 2011 at 1:54 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
timing is the first thing to come to mind. if it is retarded, it will do this. also, check the distributor as the shaft bushing could be worn moving the timing all over the place.

Roy
Sep 27, 2011 at 1:57 PM
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