Fuel trims are used to indicate how much the PCM (powertrain control module) needs to adjust the fuel duty cycle to maintain
the proper air fuel ratio.
Not exact matches
Also these engines are basically just normal gasoline engine that accommodate ethanol with
proper air /
fuel mixture.
Why don't they cut on the amount of
fuel injected into the engine so as to maintain a
proper fuel /
air ratio?
This means that your engine has too much
air or not enough
fuel for
proper ignition.
The result is an incorrect
air -
fuel mixture than can create a number of problems, such as hard starting, a rough idle, hesitation, misfiring or a drop in
fuel economy — issues that could, without
proper diagnosis, seem to have other causes, such as incorrect ignition timing or fouled spark plugs.
The computer uses this information to calculate the
proper amount of
air and
fuel to send to the engine.
It delivers that information to the vehicle's computer, which crunches the numbers and then delivers the
proper amount of
fuel to the
air in the vehicle.
For a car to run smoothly, it needs the
proper mixture of
air and
fuel.
In addition to preserving the performance and life of your tires,
proper tire
air pressure can also help your vehicle return better
fuel economy.
Actual
fuel economy will vary and is dependent upon many factors, including driving style, road conditions, outside temperature,
air conditioning control levels, payload / cargo weight,
proper tire pressure, vehicle maintenance, and changes in energy costs.
A standard direct type Tire Pressure Monitoring System (TPMS) helps the driver maintain
proper air pressure to improve driving safety and
fuel efficiency, as well as reduce wear and tear on the vehicle's tires.
We have just serviced this truck, oil change,
fuel filter, changed
air filter, changed hub bearings, ball joints, alignment and
proper inspection.
Attain required boiler combustion efficiency by maintaining
fuel to
air ratio, controlling input of coal and adjusting
proper pressure within furnace
TETRATECH, Spring, TX Asst. Heavy Diesel Mechanic, June 2009 — March 2013 • Dismantled and reinstalled vehicle components • Checked diesel engine fluid levels and performed routine preventive maintenance • Assisted the mechanic in fault diagnosis and repair • Tuned diesel engines to attain low
fuel consumption percentages • Serviced hydraulic and
air brake systems • Selected
proper tools and equipment for parts repairing