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Posts Tagged ‘EFI’

When is 12V Not 12V in an Electronic Fuel Injection System?

Icon Written by wolfems on September 25, 2009 – 3:30 pm

As older cars running electronic fuel injection continue to age, these types of problems are going to occur more often and diagnosis is going to become more tricky than before.

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How Do Resistors, Diodes and Capacitors Work In Relation To Electronic Fuel Injection

Icon Written by wolfems on September 10, 2009 – 2:42 pm

This is not going to be a big lesson on electronic theory, but I thought a lot of you have been asking about some basic info on resistors, caps and diodes, like “what does a diode do?”
So I thought a quick look at these might help you feel a little more comfortable when dealing with them.

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Before I Get To the Dyno, What Should I Check On My Car?

Icon Written by wolfems on September 10, 2009 – 9:59 am

So here is what you can do BEFORE taking your car with programmable electronic fuel injection to be dyno tuned.

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Electronic Fuel Injection Fuel Pressure Regulator Flow Rate

Icon Written by wolfems on September 10, 2009 – 9:28 am

If you imagine a huge fuel pump. It pumps a huge volume of fuel. That fuel travels along a fuel line, some of it is used by the fuel injectors, and then it comes to the fuel pressure regulator. The only problem is that the fittings and internal galleries on this fuel pressure regulator are much smaller than the fuel line and fuel rail, and so the regulator cannot regulate the fuel pressure down to where it needs to be.

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When To Switch From Petrol (Gas) to LPG

Icon Written by wolfems on September 8, 2009 – 10:50 pm

So, what is the best way to make sure your vehicle is as hassle free as possible, while you still reap the benefits of using LPG?

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CDI Performance Ignition Systems

Icon Written by wolfems on September 8, 2009 – 9:43 pm

Most standard ignition systems are of the inductive type. These ignition systems can generally handle up to 15PSI of boost pressure, sometimes a little more, sometimes a little less. Gapping plugs down is not the best answer by any stretch of the imagination. Reduced plug gap can lead to a rough idle and increased fuel consumption.

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The Importance Of Clean Fuel Injectors

Icon Written by wolfems on September 8, 2009 – 9:32 pm

What can dirty injectors do to your engine?
Cause Idle Problems – misfires at idle, lumpy idle, inconsistent idle speed.

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Tuning For Driveability

Icon Written by wolfems on September 8, 2009 – 9:20 pm

What is the most important thing you think about when modifying your car? Is it power? Is it that you enjoy cruising around on a nice day? Is it that you want to win in your racing class? Whatever it is, it won’t be nearly as good (as much fun) as it could be if [...]

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What’s In Your Future?

Icon Written by wolfems on September 8, 2009 – 9:07 pm

..what I want you to think about is – “What are the future uses of my vehicle, and do I have the correct parts on my vehicle to allow me to get to that point as easily as possible?”

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Change Your Turbo Boost Pressure At Different Road Speeds

Icon Written by wolfems on September 8, 2009 – 8:54 pm

A lot of high powered turbo cars have too much power in the lower gears. This can actually make the car slower than if it had less power, as the driver needs to spend more time reducing engine power (with his right foot), than getting on with the job of driving.

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