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1. 

   3FE rough idle

   That screams "unmetered air" to me. As the idle speed returns to 650 after a quick blip on the throttle, the A/F ratio is off. Anything above idle speed will mask this. The entire top half of the motor should be sealed. Valve cover/grommets/oil fill cap gasket/dipstick tube gasket/side cover...

   • Words: 63
   • jonheld
   • Post #2
   • Nov 16, 2021
   • Forum: 80-Series Tech