1995 Ford Thunderbird Smog Check

1995 FORD THUNDERBIRD
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SWFRED_2000
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  • 1 POST
Engine Performance problem
1995 Ford Thunderbird 6 cyl Two Wheel Drive Automatic

I had Smog Check done on my car today. It failed. Idle speed Emission test was 454 (greater than 220 ppm) - I was wondering if your would know what I can check to bring this down. Bought the car a year ago, it passed before the sale. it was idling a bit rough when cold when I bought it, so I turned up the throttle about 1/3 turn. Other than lowing the idle, any ideas where I can start? - Thanks
May 8, 2010 at 7:49 PM
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JACOBANDNICKOLAS
  • ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
It sounds like the vehicle is running rich. When was the last tune up? Also, has the check engine light ever come on?
May 14, 2010 at 10:17 AM
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