WHAT WOULD CAUSE A CYLINDER 1 2 AND 3 MISFIRE ALL AT THE SAME TIME?

1998 Ford Explorer

Tiny

mustang.cobra.gt

October, 12, 2012 AT 1:38 AM

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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Tiny

ASEMaster6371

October, 12, 2012 AT 2:13 AM

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

Roy

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