M mhooper Forum Newbie Sep 21, 2016 #1 I know that a impulse fuel pump works off the positive and negative pressures in an engine, what causes the pressure to weaken enough that a fuel pump won't work? Compression good, valves refaced and new head gaskets on a Tecumseh TVT691
I know that a impulse fuel pump works off the positive and negative pressures in an engine, what causes the pressure to weaken enough that a fuel pump won't work? Compression good, valves refaced and new head gaskets on a Tecumseh TVT691
M mechanic mark Lawn Pro Sep 21, 2016 #2 http://www.barrettsmallengine.com/tecumseh/manuals.html your engine repair manual