Toyota MR2 Message Board - View Single Post - '88 SC Engine Slows Down When Oil Cap Off

Benesesso · 11-05-2009, 07:11 AM

Thought I'd check to see if my high milage SC engine had much ring blowby, so while it was idling I removed the oil filler cap. No smoke, but the engine slowed way down--almost stalled.

Idle returned to normal after I screwed the cap back on. Why?

11-05-2009, 07:11 AM	#1 (permalink)
Benesesso No Skills Join Date: Mar 2006 Location: Litchfield Pk, AZ Posts: 37 Thanks: 4 Thanked 2 Times in 1 Post iTrader Rating: (0/0% )	'88 SC Engine Slows Down When Oil Cap Off Thought I'd check to see if my high milage SC engine had much ring blowby, so while it was idling I removed the oil filler cap. No smoke, but the engine slowed way down--almost stalled. Idle returned to normal after I screwed the cap back on. Why?