Symptoms of a burnt exhuast valve? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Wrenchbender Ret · 06-07-2018, 02:24 PM

A burnt valve will be most notable at idle or low RPM. It will have a miss that seems to go away at higher rpm. If it is an auto trans, it will be very noticeable idling in drive. It will have a bad shake.

s10mk · 06-07-2018, 02:37 PM

Quote:

Originally Posted by Wrenchbender Ret

A burnt valve will be most notable at idle or low RPM. It will have a miss that seems to go away at higher rpm. If it is an auto trans, it will be very noticeable idling in drive. It will have a bad shake.

Huh, maybe my driveability issue is coming from somewhere else, becuase my truck sure does seem to idle and run good at low rpm. I don't have a problem until higher load/rpm

06-07-2018, 02:24 PM	#1
Wrenchbender Ret Registered User Join Date: Oct 2005 Location: Overland Park, Ks. Posts: 5,229	Re: Symptoms of a burnt exhuast valve? A burnt valve will be most notable at idle or low RPM. It will have a miss that seems to go away at higher rpm. If it is an auto trans, it will be very noticeable idling in drive. It will have a bad shake.



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