No fuel Non-recommended fuel Contaminated fuel Low battery power Defective fuel pump Defective heating system or glow plugs Poor electrical connections Defective starter motor Non-recommended engine oil Clogged air filter Clogged fuel filter Low engine compression Clogged or faulty fuel injectors Defective fuel shut-off mechanism Leaking fuel system Air in the fuel system The fuel priming pump plunger is stuck in the upper position The fuel pump filter is dirty
Add fuel Bleed the air Drain the fuel from the tank and fill with the recommended one Drain the tank and fill with clean fuel. Charge the battery or install a new one. Contact your authorized dealer. Contact your authorized dealer. Clean the battery connections to the starter and tighten them. Replace starter. Drain the oil and fill with the recommended one. Replace elements. Remove air from the fuel system. Clean the fuel tank filter. Contact your authorized dealer. Contact your authorized dealer. Adjust or repair the mechanism. Check connections in the fuel system. Release the air. Slide down and tighten the handle. Clean or replace