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It usually means that the coils on those cylinders have failed. This happens if the spark plug gaps are set to large or merely from age and use. The coils on those cylinders should bereplaced (about $60,00 each) and unless you are a pretty good backyard mechanic you should probably have a shop do the work for you because a lot of stuff has to be removed in order to get to all of the coils.
What else can I help you with?
Does the 1997 expedition computer turn off cylinders when misfiring?
Don't know but the coil packs do. It make it run rough and you can sometimes smell the rich gas which means you're wasting more gas.
How do you reset the computer on 1997 Ford Expedition?
how to reset the computer on a 1997 ford expedition
1997 Ford Expedition XLT?
Yes , 1997 was the first model year for the Ford Expedition
Where is the oil pump located on my 1997 Ford Expedition?
where is the oil pump located on 1997 ford expedition
When was Ford Expedition created?
Ford Expedition was created in 1997.
When was Expedition Robinson created?
Expedition Robinson was created in 1997.
Where is the heater control valve for a 1997 Ford Expedition located?
where is the heater control valve for a 1997 ford expedition
Is the 1997 f150 transmission is the same as the 1999 5.4 expedition?
Is the 1997 F150 Transmission is the same as the 1999 Expedition
Will 1997 ford f150 doors fit on 2001 expedition?
No, a 1997 Ford F150 doors will not fit on a 2001 Expedition. You will need to get a door that is made specifically for the Expedition.
How man lugs are on a 1997 Ford Expedition?
On a 1997 Ford Expedition : ( there are 5 lugs for each wheel , total of 20 )
Is 5 w20 oil ok for a 1997 Expedition?
is 5w 20 Motor Oil o.k. for a 1997 Ford Expedition. ..?
Why are all cylinders misfiring on my 1997 Cadillac catera?
sounds like someone is ready for that $600 tuneup
