[leebunnyz]

well i have been having problems with my car going into failsafe mode all the time and i finally got a CEL...it says "P0506 idle ctrl
Sys rpm Lo exp" what does it mean? i hope it solves my problem :sorry

 

[leebunnyz]

bump

 

[2006greyGT]

did you check for TSB's?

 

[beefmobile]

are you tuned? what's your idle set at? whats your mods?

 

[kraigster]

A code like that sets when the idle speed is lower than what the PCM wants to see. Possible problem is an air leak, tuning issue or TB (electronics).