2006 Ford Taurus

86,000 MILES • 6 CYL • FWD • AUTOMATIC
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TRAE WHITE
  • MEMBER
  • 2 POSTS
Well my rpms are still flucuating. i cleaned the battery terminals, tested the the battery and the alternator both tested good. I changed the spark plugs, and the fuel filter. replaced an intake boot cause it had a crack. Check the vacuum lines they look good. I cleaned the idle valve, and cleaned the throttle. All my air filters are clean and the fluids are all ok.the other day the check engine light came on and the scan tool said random misfire. its done that once or twice but the check engine light has gone off and has stayed off right now. also when its sitting at a idle when the rpms flucuate it feels like it is going to die, but it doesnt. I still wonder what it could be? I,ve replaced the sparkplugs again and still did not help.
Nov 16, 2009 at 9:00 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,244 POSTS
WHat did the plugs look like when you removed them? Also, did you check the intake for leaks? FInally, the code you get, is it a random misfire or to a specific cylender?
Nov 19, 2009 at 3:15 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,244 POSTS
Sorry, I forgot to ask if you checked the EGR?
Nov 19, 2009 at 3:16 PM
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