Question about 1987 Ford Ranger
My 1987 2.3L knocks after warm up at around 2500 RPM. I just redid a head gasket and am currently checking my valve lash becuase it is a overhead cam. It's not a low grade octane fuel, nor mistimed, distributor cap and button is new and T.P.S sensor is working. Any help please? I believe it is carbon load which is combusting like a spark plug under my valve cover for a lack of better words. It's not the usual ford tick either.
Perhaps the oil pump plunger sticks and causes the hydraulic lash adjusters to pump up and hold the valves open? Would this cause the knock? MAybe check the oil pressure when you first start up, an then when the vehicle has warmed up and the knock starts. Just thought I'd throw that out there. Do these oil pumps have PLungers?
Posted on Jun 16, 2009
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Posted on Jan 02, 2017
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