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unusual reving

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Old Nov 19, 2006 | 12:12 PM
  #1  
H22's Avatar
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.
 
Old Nov 19, 2006 | 03:34 PM
  #2  
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Default RE: unusual reving

a sensor?
 
Old Nov 19, 2006 | 05:22 PM
  #3  
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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
 
Old Nov 20, 2006 | 05:46 PM
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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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