5.5 LP Onan has started to backfire and quit
I have an Onan Marquis Gold 5.5HGJAB-1119C that is a vapor LP generator. It is 14 years old and has has been flawless in performance until now. All maintenance is done. But while it has now begun to r...
Forum Discussion
MrWizard wrote:
all my experience with engines back firing
#1 timing
#2 exhaust valve not close
#3 unburned fuel in the exhaust, because the plug did not fire
do you get loud bangs from the exhaust ?
or engine that coughs from the intake and sound like it is choking ?
those are different symptoms for different problems
I agree! And let me add a engine that is overheating and is about to suck an exhaust valve! Had that happen on a riding lawnmower my neighbor had, mouse nest in the shroud... No air to the cylinder
