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buonco II no vaccum no start and run


bikeman41

New Member
Joined
Apr 6, 2008
Messages
1
Vehicle Year
bronco II 1986
Transmission
Manual
:icon_confused:help 86 bronco II will start to start but dies checked timing/timing chain marks/compression 150 in all/did leakdown test ok/map /fuel psi 40-35 /pulled intake top and bottom everything looked fine put lower intake on covered each intake port for vaccum ok/ put top intake on cranked no vaccum / great spark just will not start and stay running?????????????? P.S. engine has 4500 miles on it ran great until now.
 
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