HAS NEW PLUGS AND WIRES

  • Tiny
  • midlandewing
  • 1991 Ford Taurus
  • V8
  • 2WD
  • automatic
  • 160,000 miles

91 taurus 3.8 runs a little rough when engine is cold

Wednesday, March 23rd, 2011 AT 3:46 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

http://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs

2.Inadequate spark/coil,defective spark plug wire.

3.Lack of compression

4.False air leakage.

5.Faulty fuel injectors.

6.Insufficient fuel pressure.

7.Contaminated fuel.

8.EGR valve that is leaking.

9.Oxygen sensors.

10.Throttle position sensor.

11.Manifold absolute pressure sensor

12.Mass Airflow Sensor

13.Idle air control valve

Note: If it doesn't apply disregard it-

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Wednesday, March 23rd, 2011 AT 4:25 AM

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