Diesel Fuel System Troubleshooting Chart

Engine not fully broken in.

Diesel fuel system troubleshooting chart. Troubleshooting guide for diesel fuel injection systems with bosch inline fuel injection pumps tank empty or tank vent blocked fill tank bleed system check tank vent. Air exists in fuel system emit the air. Air in fuel system bleed fuel system eliminate air leaks shut off start device defective repair or replace fuel filter blocked replace fuel filter. Incorrect or contaminated fuel.

Air in fuel system. Put more miles on. Reset pump timing see fuel systems. In either case a professional will have to troubleshoot it.

Bleed air from system. This means less parts to wear out. Check nozzles see fuel systems. A diesel engine does not have the spark plugs rotors or even a carburetor as a gasoline tractor does.

Obstruction in fuel pip or air filter check or clean. Engines starts and idles rough w out smoke or noise but clears after warm up. These engines also offer better fuel economy. If you have a modern vehicle with a multiport or sequential fuel injection system either the fuel pump isn t pumping fuel or the ecu isn t triggering the fuel injectors.

Injection pump timing incorrect. 3 causes and troubleshooting for engine stopping automatically causes troubleshooting malfunction of the fuel system run out of fuel fill fuel. However as with most heavy equipment problems and breakdowns can and do.