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unusual reving

  #1  
Old 11-19-2006, 12:12 PM
H22
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Default unusual reving

we just swapped in a gsr in our hatch and when we crank it it starts reving up all of a sudden and wonderin why is it doing that. if somebody could help us out here would be much appreciated.
 
  #2  
Old 11-19-2006, 03:34 PM
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Location: San Diego
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Default RE: unusual reving

a sensor?
 
  #3  
Old 11-19-2006, 05:22 PM
Join Date: May 2006
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Default RE: unusual reving

does it just rev high and stay, or does it go up and down?? Check all your vaccum lines
 
  #4  
Old 11-20-2006, 05:46 PM
Join Date: Sep 2005
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Posts: 680
Default RE: unusual reving

check the fast idle valve(sensor) or TPS sensor ive seen them both cause something like that
 
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