V vablue Guest Dec 22, 2008 #1 It is really faint high pitch and sporatic when you give it gas. Is it the muffler or enternal?
J Jimi C Guest Dec 22, 2008 #3 If there are no muffler leaks, then it is internal. Have your valves readjusted. Also have your mechanic check your timing chain tension.
If there are no muffler leaks, then it is internal. Have your valves readjusted. Also have your mechanic check your timing chain tension.