What would cause a cylinder 1 2 and 3 misfire all at the same time?

Tiny
MUSTANG.COBRA.GT
  • 1998 FORD EXPLORER
  • 173,000 MILES

For awhile my explorer has had a very up and down idle but has run great. Today it didnt want to start and then it did and ran fine. I got home and the check engine light came on I checked the codes and it came up as cylinder 1 2 and 3 misfire. What would be the most likly cause for this? It has brand new plugs and wires.

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Friday, October 12th, 2012 AT 1:38 AM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
  • 25,509 POSTS

Coil, ijector issues or a vacuum leak. Check the hose for the pcv valve

Roy

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Friday, October 12th, 2012 AT 2:13 AM

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