have high CO2 emissions when tested in high idle what is wrong

1990 FORD E-SERIES VAN
108,456 MILES
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MANIACMAN116
  • MEMBER
  • 4 POSTS
have high CO2 emissions when tested in hjgh idle whats wrong
Dec 28, 2010 at 3:08 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
It could be several things. Has the check engine light come on? Have you checked for vacuum leaks, when was the last tune up, is there any smoke from the exhaust, how many miles are on the vehicle?
Jan 2, 2011 at 11:20 AM
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