engine stalls , revs upand down

1979 LINCOLN MARK V
79,000 MILES • 6.2L • V8 • RWD • AUTOMATIC
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RONALD TROXELL
  • MEMBER
  • 5 POSTS
when i give the car the gas it stalls for a second or so. also, engine speed goes up and down after it warms up.
Nov 22, 2016 at 7:06 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
clean throttle plate on both sides and IAC hole with choke cleaner then check fuel pressure with a gauge auto parts rent it. See link.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Nov 23, 2016 at 7:03 AM
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