high idle in neutral
07-10-2012, 02:35 PM
#1
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high idle in neutral ok well i have a 2000 trans am ws6 and for some reason sitting still the idle is fine but as soon as im going down a hill or really anything and i put the car in neutral(6 speed) the idle does not sit back down to its original it has done it from the time i got it and nothing i have found will fix it so if anyone has any suggestions it would be great thanks
07-13-2012, 11:07 PM
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Do u put the car in nuetral as u are rolling along and the idle is up. Then u come to a stop then the idle comes down as the wheel speed sensors see zero mph? Mine does just that. I think it is in the program somehow.
07-13-2012, 11:12 PM
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Mine done this as well. I found that the vacum hose going into the intake behind the TB on passenger side had a hole in it. I know it doesn't sound right but as soon as I replaced the hose it stopped.
07-14-2012, 01:14 AM
#5
This is exactly what mine was. The hose after the PCV valve right before the throttle body was cracked. It's a super common thing with these cars. I chased this demon for 2 years before I found it by accident.
