Ecu Engine

Thanks for visiting our site!
Ecu Engine
Checkout Ebay Auctions For The Cheapest Prices

Check out Amazon:

Here are some more information for Ecu Engine:

Engine management is at the heart of the modern car. The car will only reach it's full potential if all components are functioning properly. Full potential means performance in terms of speed, acceleration and fuel economy. Modern cars are increasingly under digital control. The central management controller is the ECU - the Engine Control Unit. This ECU receives information from all the other components in the engine telling it what is happening so that it in turn can control the amount of fuel etc going into the engine. The catalytic converter is an important part of the system.

Not surprisingly the catalytic converter and exhaust system are important components because they maintain the back pressure in the system which has been built into the specifications of the vehicle and into the mapping of the ECU. There are 'Original Equipment Manufacture' (OEM) cats and there are after- market (Pattern) units. While many pattern parts are good they can fall below specification. Fit an aftermarket cat which falls below specification and the system will be unbalanced and not perform optimally.

Be sure to find out what has gone wrong with your catalytic converter before replacing it. Have it checked professionally by a mechanic using car diagnostic equipment.

Here are some of the reasons for failure:

Water has got in - driving recklessly through water

Oil, water or anti-freeze has entered from the engine - internal leak e.g. head gasket failure

Leaded petrol has been used unwittingly. Even small amounts will cause damage or failure because leaded fuel coats the ceramic honeycomb core and prevents it from interacting with the exhaust gases.

Engine is out of tune/ not set up to OEM spec.

The overall health of your vehicle will be revealed by diagnostic check of: fuel injection duration, manifold pressure, spark strength, timing, emission levels

What does the catalytic converter do? The catalytic converter works on the basis of a catalyst reaction. Inside the catalytic converter are precious metals fitted into a honeycomb structure. The exhaust gases flow through this and in the process harmful emissions are reduced or removed. Basically the catalytic converter is an exhaust box; exhaust gases flow through it; the chemicals inside change poisonous, toxic elements in the exhaust into less toxic substances.

Historically the invention of the catalytic converter was inspired by the smogs of Los Angeles. These famous smogs have been blamed on a number of things including the geography of the country and the exhaust gases from thousands of cars. The catayltic converter had to wait until the introduction of lead-free fuel because leaded petrol is no-go for catalytic converters; it coats the metals inside and disables the converter making it useless very quickly.

In many countries and states it is illegal to run a vehicle without the catalytic converter fitted.

So is the catalytic converter the answer to pollution problems? One criticism of the 'cat' is that is only functions properly when it reaches effective working temperature. This can take up to 30 minutes - not much good on shorter journeys. To get around this pre-heaters are fitted so that optimal temperature is more quickly achieved.

Another criticism is that the catalytic converter removes harmful emissions but 'turns' these into carbon dioxide - well known as the main gas contributing to 'global warming'.

The precious metals used in production come mainly from Norilsk, in Russia. Their production has contributed to Norilsk's reputation as one of the planet's most polluted cities. (Time magazine)

There are two-way and three-way converters and different converters for petrol and diesel engines.

© Andy Hewing

Learn more about solving all kinds of diesel and car problems at http://www.donorspares.com have a look at 'Guides and Info' or why not try an on site Google search?

What is Engine Knocking

When engine knocking is detected the knock sensor sends electrical signal to the ECU. Directionally as the compression ratio of the engine increases so does the required octane number of the gasoline if engine knocking is to be avoided. Engine knocking is in fact a pulse detonation and we all known what that can do an engine. Thus, the likelihood to engine knocking is reduced and the engine runs more smoothly. Engine knocking is the premature fuel combustion that can result in power loss of the engine. Engine knocking is compression detonation or pre-ignition of fuel in the power stroke of the engine. Engine knocking is normal for 4-stroke bike.

If you have an older car or a high performance car, you may need a higher octane gasoline to help prevent engine knocking and improve engine performance. In order to prevent engine knocking at high rpm's, NGK's high-spark #7 platinums are used. Before leaded gasolines were removed from the market, bromine was used in an additive to help prevent engine "knocking". Motor mount also help prevent or at least minimize engine knocking. There was a need for improvement in the refining process for fuels that would prevent engine knocking and increase engine efficiency. This prevent engine knocking which is very common at the time of a transmission kick down. MMT is a fuel additive, which is mixed with petrol in order to prevent engine knocking. Has been used in gasoline to prevent engine knocking. Lead was originally added to prevent engine knocking. The lead compound TETRAETHEL LEAD was added to gasoline to prevent engine "knocking".

If anything, high octane gas will help reduce engine knocking in most cars (assuming your car's manual says it's okay to use such a gas). Replace Air Filter - Dirty filter can reduce fuel economy by 10% or more. Ethanol in unleaded gasoline helps reduce carbon monoxide emissions by as much as 30 percent. It is oxygen-bearing additive used to reduce engine knocking and assist gasoline burn more cleanly. An antiknock agent is a gasoline additive used to reduce engine knocking and increase the fuel's octane rating. Thereafter, the engine performance will peak and emission will reduce. Lead has also been added to gasoline to reduce engine knocking. Standard Oil began adding ethanol to gasoline to increase octane and reduce engine knocking. Lead, in the form of tetra-methyl lead or tetra-ethyl lead, is added to petrol to increase its octane rating to reduce engine knocking. Some manganese compounds have been added to gasoline to boost octane rating and reduce engine knocking.

When engine knocking is detected the knock sensor sends electrical signal to the ECU. Engine knocking is in fact a pulse detonation and we all known what that can do an engine. Thus, the likelihood to engine knocking is reduced and the engine runs more smoothly. Directionally as the compression ratio of the engine increases so does the required octane number of the gasoline if engine knocking is to be avoided.

About the Author

To use make sure to copy this as well
For basic real estate go here

where is the engine ECU loacted on my 2001 Audi TT

anything will help thanks and any sites i can get a new Standalone ECU

I just looked through my Audi repairs and services DVD. the ECM for the 2001 TT is located under the hood, in the center of the plenum chamber(behind the engine block)

Improve Performance Of The Nissan 350Z With A Unichip ECU
Unichip Europe has unveiled a new plug and play 'U-connect' Unichip piggy back ECU for the Nissan 350Z. The Nissan coupe is a popular choice for tuning enthusiasts and the Unichip Uni-Q provides the perfect engine management solution on a vehicle that cannot be remapped using OBD flash programming.

Thanks for visiting!