1999 Ford Expedition Start Epxo Makes Loud Metallic Popping Noises Andwhen Push

1999 FORD EXPEDITION
18,300 MILES
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  • 1 POST
When i start my epxo it makes loud metallic popping noises andwhen I push on the gas pedal it sounds like popcorn popping. Whats wrong with it?
Apr 7, 2013 at 7:43 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
have a pro check this for a follower worn out or camshaft.
Apr 7, 2013 at 8:30 AM
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