maybe maybe not

WinnipegSC

Registered User
im not sure if this is a problem but if im in neutral and i punch the throtlle it revs up then comes dowbn to 2Krpm hold there for 5 or 6 seconds then drops to my normal idle of 1K.. is this normal..what could cause my high idle
 
The reason for this is for emissions. It reduces the amount of unburned fuel (hydrocarbons) that is released. This way it is burned in the "lite-off" catalyst.
 
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