iac valve

tmz93sc

Registered User
i have been having a strange start issue with my sc lately, cranks fine but the tach. will go to about 2000- 2500 rpm upon start up then level out, mostly on a warm engine. could this be a symptom of a bad iac ?
 
Does it make a strange goose honking type of noise when shutting off the motor ? Do you have a check engine light ?

David
 
Does it make a strange goose honking type of noise when shutting off the motor ? Do you have a check engine light ?

David

no it doesnt make the honking noise, no engine light, when i unplug the iac while motor is running it stalls wich is normal right? i have this problem every so often mostly on a warm motor. btw iac is less than a year old
 
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