454 P30 Chev Misfires When Hot Under Load in Engines Posted November 14, 2011 · Report reply Have you changed the "secret" fuel filter?. My 1983 454 Winnebago used to do the same thing until I discovered an in-line fuel filter hidden behind a frame rail halfway between the front & back wheels.
454 P30 Chev Misfires When Hot Under Load
in Engines
Posted · Report reply
Have you changed the "secret" fuel filter?. My 1983 454 Winnebago used to do the same thing until I discovered an in-line fuel filter hidden behind a frame rail halfway between the front & back wheels.