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Combustion Engines

Combustion engines are not only used in road vehicles but also trains, ships, aircraft, military and construction machines.

1,973 Questions

What are the symptoms of internal engine damage due to overheating?

Low oil pressure

Low cylinder pressure

Anti freeze coming out of the tailpipe (sickly sweet smell)

Water in oil

Oil in water

Frothing or bubbling in radiator

Which engine is number one on a four engine plane?

Engines on an aircraft are typically numbered left to right, so the number one engine would be on the far left as you sit in the pilot's or co-pilots seat.

Is the Magnum 5.2 V8 engine an interference engine?

No. It is not an inteference engine. Just replace th timing gear and chain and you should be good to go.

Why is an internal combustion engine less efficient when it is cold?

The oil has less veocity therfore your engine must warm up the oil and the eninge at the same time. Also you probly have the heater on and that draws from your alternator and makes it work with puts strian on your motor

What is the difference between a search engine and an answer engine?

Search Engine just search inside index, without understand what you looking for and what exist inside the indexed documents, on other hand Answer Engine like Kngine (http://www.Kngine.com try to understand what this page speak about and extract information, so when you answer question like:

UK Capital, Who is the director of Wanted, How many people live in Seattle, What is the distance between London and Berlin


he will provide direct and simple answer so you will not need to search and pore through the results.

How do you replace the camshaft syncronizer in 1997 Ford Explorer v-6 engine and where can you buy this part your engine is the vin x engine?

does any one know where the camshaft position sensor is located on a 1996 ford explorer 4.0. Thanks Gil N.Y.C right behind the motor .its impossiable to get your hands in it,you might have to pul the motor to get to it..

Where can you find a diagram for a 1990 305 engine?

go to autozone.com, they offer online manuals with step by step repair, diagrams, component locations etc

What is engine suffix codeFCN on early 80s 305?

The engine suffix FCN I couldn't find to exist but the letters FC describe it to be a 50-60's year model powerglide driven car powered by a 265 to a 327. Try to scrape away a little more of that engine grease to turn a new number is all I can say, good luck.

Why does the engine overheat?

Answer

Because the engine cooling fan does not work properly or does not work at all.


There are many reasons which may cause Engine overheat. the above is also one of them.

  • Loss of coolant
  • loss of coolant because coolant leaks from anywhere on the cooling system.
  • Loss of coolant because radiator cap is broken and will cause overheat.
  • Loss of coolant because radiator cap pressure is less than the required.
  • Loss of coolant because compression leak in to the cooling system.
  • Radiator internally blocked. (Heat exchanger blocked, if equipped)
  • Radiator externally blocked. (Air flow blocked)
  • Engine Overloaded (engine can be overloaded because of loss of power due to malfunction of some parts, in this case there must have other symptoms).
  • Thermostat does not direct water circulation to the Heat Exchanger.
  • Engine mechanical condition is not good (Power balance)
  • Engine ignition timing is retarded.
  • After a repair Engine started to overheat.(AC or Radiator fan is rotating wrong direction, polarity changed)

Is gm engine number 348675 a truck or a marine engine?

Marine, although I don't know if it is Marine exclusively. I only know because it's the one in my boat. :)

What is the difference between a diesel engine and a petrol engine - mixing of the air and fuel?

  • in the original gasoline (petrol) engine fuel and air were premixed in a carburetor before entering the cylinder through the intake valve, ignition is caused later when the spark plug fires (to prevent high compression high power engines from knocking and thus damaging themselves it was necessary to use only high octane fuel, which typically required adding tetraethyl lead a deadly poison to the fuel)
  • in the diesel engine the fuel is injected into the air filled cylinder at maximum compression and instantly ignites (from the heat of compression)
  • in the modern fuel injected gasoline (petrol) engine fuel is injected into the air filled cylinder just before the spark plug fires (to prevent the chance of knocking (i.e. preignition) because of use of low octane fuel)

What is choke in an internal combustion engine?

The choke is used on petrol engines with carburettors, to increase the fuel to air ratio, for better starting.

It is called a 'choke' because it actually chokes off some of the air entering the carburettor and is a simple metal flap across the air intake.

By choking off some of the air, a greater vacuum is formed, which draws more fuel from the jets.

A cold engine requires slightly more petrol than a warm engine for the spark to ignite the mixture. Once warm, the engine needs less fuel in the mixture (14:1 , air:fuel)and will run rough and waste fuel if the choke is left on.

Modern engines do not have carburettors or chokes, being fuel injected.

The choke function is taken care of by a cold start program where the computer varies the quantity of fuel injected with respect to the air mass and temperatures.

Diesel engines also need a 'cold start device', but this is not a choke. As diesels are injection engines, this is taken care of by changing the fuel pump setting via a switch, or by computer control of common rail injectors.

What are the parts of internal engine system?

The parts of the internal engine system usually focus on the combustion of fuel. Here, the engine uses spark plugs, pistons and cylinders to carry out fuel combustion which in turn generates power to the power train.

R reg vauxhall corsa problem - when temperature reaches 95 degrees engine cuts out the engine management light comes on and the engine will not restart?

If there's a temp sender for the ECU change it Firstly make sure nothing is causing overheating like coolant and water levels. It is common for the temperature sensor to be faulty and not turning on the cooling systems in time to prevent overheating. Be careful in diagnisis because the corsa's sensor will have to be located from underneath and might require a mechanic.

What are the different types of cc for motorcycles?

anywhere from 49cc to 8000cc (8 liter), but the biggest ones are custom made one-of-a-kinds.

What is better a 53L engine or a 5.7L engine for reliability and economy?

The 5.3L replaced the 5.7L because automakers have to constantly improve on fuel economy and reliability. The new 5.3L fall under GM's 5yr / 1000,000 mile powertrain warranty. The old 5.7L never achieved this. For economy, the new all aluminum 5.3 Liter is the winner, hands down. However the reliability of this engine has not been determined as of yet. The 5.7 however has established a long history of being a very reliable engine.

How do you turn off the check engine light on a 1997 eagle talon?

you can go to an autozone or similar store and have them run a diagnotic, then have them shut it off. :)

Why does my Rover 200 radiator fan stay on when the engine is off?

three possibilities , fan thermostat switch is bad or cooling fan relay is bad, or radiator is low on coolant (possibly due to a leak - check reservoir & top up if needed).

Can an airplane fly with one engine?

Flying with one engine is difficult. An experienced pilot can only do it. The plane rolls to the direction in which the good engine is running. So the pilot has to give a constant opposite direction force to keep the plane steady.
Depends. Some only have one and fly well with that. Some will be able to remain airborne on one engine, but will need more to take off.

What happens to the nitrogen in an internal combustion engine?

They become oxides of nitrogen or the emission NOx, this is controlled by the EGR valve to lower combustion temperatures and lower the NOx gas wich contributes to phot chemical smog, the stuff you see in the air.

Is the engine on a 2001 ford focus an interference engine?

The 2.0 L - SOHC - IS AN INTERFERENCE ENGINE

The 2.0 L - DOHC - IS NOT an interference engine