The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Straight 6 250 sputtering after key is off

**Wrenchbender Ret** · 05-20-2012, 04:57 PM

Its usually caused by the idle speed to fast. Also can be from a vacuum leak. Some of those used a selinoid on the throttle to drop it back when you shut it down.

05-20-2012, 04:57 PM	#2
Wrenchbender Ret Registered User Join Date: Oct 2005 Location: Overland Park, Ks. Posts: 5,194	Re: Straight 6 250 sputtering after key is off Its usually caused by the idle speed to fast. Also can be from a vacuum leak. Some of those used a selinoid on the throttle to drop it back when you shut it down.