[Deano1997]

The wife said yesterday that the Taurus was idleing rough and high and then would miss under accelleration. No dash or check engine lights are on. The plugs and wires are 1 year old, would a bad fuel filter be a cause or where should I start looking. Actually I havent changed the fuel filter in 70k

 

[sheila]

Might check for a vacuum leak. Pcv hose, etc.

 

[Deano1997]

ended up being the coil, was original with 179k

 

[sheila]

Glad you got it fixed! Initially, sounded exactly like coil symptoms, esp. with new plugs and wires, but lack of a flashing misfire code threw me. Did light ever come on before replacing coil? Probably be a good idea to replace fuel filter anyhow.