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What is the correct air fuel ratio for cold start?
60:32
What is fuel air ratio?
Air to fuel ratio is the ratio between the weight of air to the weight of fuel, for example: 14.7 pounds of air to 1 pound of fuel would be a air:fuel ratio of 14.7:1 This particular example is called the stoichiometric ratio for gasoline...it's ideal ratio in order to efficiently use all the fuel. This ratio varies for different fuels....for example, ethanol fuels have a stoichiometric air:fuel ratio of 13.85:1. In actuality, a gasoline car gets it's best fuel mileage when the fuel is reduced slightly and produces it's best power when the ratio is a little heavier on the fuel side.
How much does diesel fuel contract in cold weather?
1 to 1 ratio.
Why Tacoma will not start but will crank over?
Its the cold start fuel sensor giving you troubles. Its flooding the engine with fuel.
What is cutoff ratio?
Cutoff ratio is not the ratio of the volume of the cylinder at the end of combustion to the start of the combustion process in a diesel engine. actually cutoff ratio means point at which fuel injected for a period and fuel delivery is stopped at required instant -is called cutoff ratio.............
What is the cold start pipe on the 1987 pontiac fiero gt fuel rail?
There is a high pressure fuel line under the throttle body that carries fuel to the cold start injector. There is a black pipe that feeds idle air to the same spot to insure the cold start injector gets a good mixture.
Where is the cold start valve how does it work?
millisecondThe cold start valve is sometimes called the fifth injector. It is mounted to the intake air distribution box and is in line with the fuel rail. It has an electrical connection and a fuel inlet line and a fuel outlet line. S The cold start valve is essentially constructed the same as the regular fuel injectors. The main difference is that the cold start valve injection time is measured in seconds rather than in milliseconds like the regular injectors. The cold start valve receives power from the double relay when the key is in the start position but only injects fuel into the intake air distributor when the cold start valve is grounded by the thermo-time switch. The purpose of the cold start valve is to inject fuel into the intake air stream when the engine is cold (and the starter operating) in order to richen the fuel/air mixture for easier starting. It can be tested in the same manner as the other injectors. Leakage is undesirable as it will cause the engine to run rich. sorry no pics millisecondThe cold start valve is sometimes called the fifth injector. It is mounted to the intake air distribution box and is in line with the fuel rail. It has an electrical connection and a fuel inlet line and a fuel outlet line. S The cold start valve is essentially constructed the same as the regular fuel injectors. The main difference is that the cold start valve injection time is measured in seconds rather than in milliseconds like the regular injectors. The cold start valve receives power from the double relay when the key is in the start position but only injects fuel into the intake air distributor when the cold start valve is grounded by the thermo-time switch. The purpose of the cold start valve is to inject fuel into the intake air stream when the engine is cold (and the starter operating) in order to richen the fuel/air mixture for easier starting. It can be tested in the same manner as the other injectors. Leakage is undesirable as it will cause the engine to run rich. sorry no pics
Why does your 1987 topaz not start when it is cold prime it with gas it starts fine runs good?
There is a cold start valve in the fuel system that could be bad. Or the temp. sending unit could be bad as well. Check your fuel filter first! where is the cold start valve,how does it work.
Cold start issues 1997 Plymouth neon. I replaced the fuel pump and wanted to know what could cause the cold start issues i am having. I have a new battery. Could the Fuel Accumulator be the problem?
yes.
Why do you have to put a hand over the carb to get it to start when it's cold Runs great when it warms up Carb. just rebulit new intake valve?
You have to put a hand over the carb to get it to start up when it is cold because the air to fuel ratio is better when there is warmer air. To avoid this, try to use more choke when it is colder out.
1983 650 maxim why does it run rough when cold?
check the fuel air ratio, also check the choke settings.
Do glow plugs have anything to do with fuel mileage?
No, Glow Plugs are used to help start a cold engine. They can also be used for emisions (cold start up).
