car is spitting and sputtering after changing the spark plugs

1999 MERCURY COUGAR
209,909 MILES • 2.5L • V6
Avatar
PATTY73
  • MEMBER
  • 1 POST
spits and sputters. wont accelerate and back fires.
Nov 11, 2014 at 11:25 PM
Advertisement
Avatar
HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
scan for codes and check fuel pressure with a gauge first auto parts rent it. also check for a vacuum leak
Nov 12, 2014 at 6:39 AM