1998 Chevy Blazer idle

1998 CHEVROLET BLAZER
179,000 MILES • 6 CYL • 4WD • AUTOMATIC
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PAPAWARD69
  • MEMBER
  • 2 POSTS
my blazer idles too high 1500 rpm in park and 1000 rpm in drive i have rpaced the iac and the tps also have checked 4 vacumme leaks can anyone help thanks
Nov 12, 2009 at 5:18 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,244 POSTS
Has the check engine light come on?
Nov 12, 2009 at 11:58 PM
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PAPAWARD69
  • MEMBER
  • 2 POSTS
yes one code was idle too high one was iat voltage low and a evap code
Nov 13, 2009 at 1:01 AM
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