The air/fuel ratio in the fuel system of an engine varies. It also depends on the operating conditions of the vehicle at the moment. When an engine is warm and running under light load, an air/fuel mixture of about a14.7 parts air to 1 part fuel (14.7:1 by weight) provides the best combination of power, fuel economy and emissions.

A clogged fuel filter will restrict fuel flow to the engine and may cause a loss of fuel pressure. This can make the engine run lean, misfire and lack power when accelerating. If the filter becomes totally plugged, it may stop the flow of fuel altogether causing the engine to stall or prevent it from starting.

Local resource for fuel injection service in Westbrook, ME. Includes detailed information on local companies providing auto services and which give access to fuel injector cleaning, fuel injection kits, fuel injection maintenance, fuel injection replacement and repair, fuel injection conversion, fuel injection tuning, but also offer solutions to fuel injection leaks, clogged injectors, as well as other fuel system treatments.

When deposit control additives are not adequate in gasoline, harmful deposits can build up inside the engine. Read on and learn more.

Whether you are a fleet manager or driver, following some basic winterizing guidelines and addressing any issues that might impact performance, reliability and engine starts now, will help keep your heavy-duty diesel systems running better later, during the frigid winter months.