Backfire

200,000 MILES • 5.2L • V8 • 4WD • AUTOMATIC
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NICK EWING
  • MEMBER
  • 1 POST
Whenever my truck goes up a hill or even during normal acceleration it feels like i am getting no power to the wheels and on certain hills it will backfire once. We have replaced the carburetor but i cannot figure out exactly what i need to replace to get this truck running right.
Jun 10, 2017 at 2:20 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check resistance of plug wires 5000 ohms per foot. may be that as well as low fuel pressure if a carburetor it should have at least 3.5 pounds and deliver about a half pint fuel in thirty seconds at carburetor.
Jun 10, 2017 at 5:44 AM
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