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6. MAINTENANCE
Bulldog
®
6.22 TROUBLESHOOTING
PROBLEM CAUSE REMEDY
Engine lacks power Injection pump drawing in air. Clean or replace
Fuel line plugged. Clean or replace
Dirty fuel filter. Clean or replace
Air filter dirty. Clean or replace
Worn cylinder & piston rings. Replace
Too much oil in crankcase. Drain
Oil consumption Worn valve guides. Replace
Worn cylinder & piston rings. Replace
Too much oil in crankcase. Drain
Loose oil filter or sending unit. Tighten
Loose bolts on oil pan. Tighten
Blue smoke Worn valves/valve guides. Replace
Worn cylinder & piston rings. Replace
Too much oil in crankcase. Drain
Oil seat at intake valve defective. Replace
Oil level in oil bath air filter too high. Drain
Does not start Empty fuel tank. Fill tank
Weak or dead battery. Charge or replace
Poor ground connection. Tighten/clean terminals
Dirty fuel injectors. Replace/clean
Loose wire connection in wire harness. Tighten
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