1998 Ford Taurus spark plugs not all firing

1998 FORD TAURUS
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DTIMMONS
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  • 1 POST
Engine Performance problem
1998 Ford Taurus 6 cyl Front Wheel Drive Automatic

plugs 2 and 5 aren't firing, motor running sluggish, missing out
Mar 15, 2010 at 4:37 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Engine running rough or misfiring can be cause by the following-inspect and test all the following listed below:
1.Defective spark plug.
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.
Mar 15, 2010 at 4:51 PM
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