Why it idling so high?

2003 CHEVROLET TAHOE
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DCMEZA
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  • 33 POSTS
2002 Chevy Tahoe 5.7


Changed spark plugs,cap and rotor,now the gas is revving really high.
Aug 31, 2012 at 2:08 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
either a vacuum line is off or the idle air control motor is defective

Roy
Aug 31, 2012 at 2:12 AM
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GASCAP
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  • 9 POSTS
dcmeza,first of all are you sure your vehicle is a 2002.My friend has a 2002 but with a 5.3 witch has no cap and rotor!! if it is a 2002 with a 5.7 it's not stock and could be many causes to your problem.You need to find out before i can point you in the right direction gascap
Sep 5, 2012 at 7:42 AM
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