Spider - 105 & 115 Series (1966-1994)
My '87 Spider Veloce will not start when engine is cranking. We have 40 lbs fuel on the rail, good spark in all spark plugs, cold start injector works fine, air balance working, 120 psi in cylinders 2, 3, 4 However, 90 psi in cylinder 1.
When cranking, there is a back-pressure "pop" of air and...