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How to Fix Onan QD3200 Diesel Generator Fuel Leak Behind Air Filter
Engine Medium 1-3 hours 43

How to Fix Onan QD3200 Diesel Generator Fuel Leak Behind Air Filter

QD3200 fuel leak behind air filter is typically the lift pump, fuel supply/return lines, or injector pump fittings. Clean area thoroughly, run briefly, and trace fresh fuel to source. Most repairs involve replacing rubber lines, gaskets, or tightening fittings.

1988 E350 Class C 460 EFI Won't Start - Advanced Fix
Engine Hard 3-4 hours 39

1988 E350 Class C 460 EFI Won't Start - Advanced Fix

Your 1988 E350 Class C with 460 EFI has spark, fuel pressure, and timing but won't start even with ether - this points to either a faulty Mass Air Flow sensor, clogged injectors, or ECM failure. The fact that ether doesn't help is the key diagnostic clue here.

Cummins 400 Throttle Power Loss: ECM and Other Causes
Engine Medium 2-3 hours 36

Cummins 400 Throttle Power Loss: ECM and Other Causes

Your Cummins 400's sudden power loss and throttle unresponsiveness, especially in hot conditions like Death Valley, could indicate ECM failure, fuel system problems, or turbocharger issues. Start with diagnostic scanning and check fuel filters.

1989 Ford Tioga 460 EFI Won't Start After Dead Battery Jump
General Hard 4-6 hours tank drop, or professional diagnosis 36

1989 Ford Tioga 460 EFI Won't Start After Dead Battery Jump

Your 1989 Ford Tioga's 460 EFI system is experiencing classic symptoms of fuel pressure loss, likely due to a failing fuel pump or clogged pickup screen in the tank. The dead battery jump may have damaged the fuel pump relay circuit.

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