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Introduction

The check engine light on a Toyota is an indicator that one of the sensors or systems operated or monitored by the computer is malfunctioning.OBDSTAR X300M The computer manages the engine functions and emission controls as well as several other systems. All present day vehicles have the same type of regulatory system employed to operate the function of the drive train.

History

Since 1973 when the auto manufactures first started to employ emission controls on vehicles, computers, still in their infancy, came on the scene. Their initial duties were to monitor the exhaust emissions and make corrections in the timing and the carburetor mixture to control the emissions. A good understanding of the primary function and control the computer has on the impact of the performance of the vehicle serves to lend predictability to the issue. Computers are common place and becoming more and more advanced with increasing responsibilities in the operation of the vehicle.

Functions

The Toyota computer not only operates as an engine management center, but it controls the emissions, the security system, the air conditioning, the suspension, the new Trac systems, the transmission functions and more. It does not however, have anything to do with the internal components of the Toyota engine. The Toyota check engine light does not tell the operator if the engine is low on oil or of a particular malfunction due to wear.

The Toyota has a computer called an Engine Control Management (ECM) computer that controls engine management.UCANDAS VDM2 There is a Automated Braking System (ABS) computer that operates the function of the brakes, a Body Ride Control that operates a multitude of accessory options such as power windows, locks, seats and so on. There is an air conditioning computer for the use of dual air conditioning, a transmission computer, and some that operate in conjunction with the main ECM computer to control the suspension.

Diagnosing

Purchase a computer OBS scanner from a parts store. The OBS scanner is a requirement for diagnosis. It is relatively inexpensive but a necessity. Computers store malfunctions in memory and illuminate the check engine light on the dash. The computer will relinquish these codes in the form of a series of numbers similar to a bar code. To retrieve and understand these codes, you need a scanner. The scanner will come with a code sheet to correspond with the codes presented.

Attach the code scanner to the OBS connector under the driver's side dash. Turn the ignition key on until the lights illuminate on the dash. Do not start the car. The scanner at this time will be displaying read codes. Push the button to read and the scanner will begin to interrogate the computer. It only takes a few seconds and the scanner will respond with a code or codes if more than one. Write these codes down, such as P1425 and look up the codes on the sheet provided for a definition.

Just because the computer generated a code for the oxygen sensor (oxygen sensor malfunction), does not necessarily mean that it is bad and should be replaced. The oxygen sensor measures the amount of oxygen in the exhaust system by producing a very small voltage that the computer sees as an indication as to the fuel mixture being to rich or lean. A multitude of things can cause the oxygen sensor to indicate the wrong mixture.XTOOL HD900 For example a bad spark plug, wire, air leak in the manifold, bad thermostat or bad gas. If the car is running well enough and you see that this code came up, know that no disaster is imminent and continue to drive until it can be repaired or you can check it out yourself. To properly diagnose a code, even with a computer, it helps to read the manual so that you know what each sensor does and what else on the vehicle may cause that sensor to generate a code.

The Mustang is one of America’s favorite muscle cars and has been for years, even in less powerful V6 form. But despite having less power than its V8-powered Mustang siblings,Launch EasyDiag Plus 2.0 the Mustang V6 is still a terrific car. There are also several ways to go about getting more speed from one of these cars, including upgrades to the engine, exhaust system and suspension.

Install a more free-flow exhaust. The stock exhaust system on a Mustang is relatively restrictive, so one of the first changes owners in search of more power make is the installation of a larger-diameter exhaust. You can either purchase an exhaust system and header from a company that sells performance parts or have an exhaust shop install a performance exhaust.

Replace the air box with a cold-air intake. The stock intake on a Mustang’s V6 lets a limited amount of air into the engine, whereas a cold air intake will provide the motor with all the air it needs. The more air the engine can get, the more power it can make. Plus,XTOOL HD900 a cold-air intake sounds good. Installing a cold-air intake is generally pretty easy and involves removing the stock air box and then bolting on the new air intake.
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Have the engine’s computer reprogrammed. A performance ECU will recalibrate how much air, fuel and spark the engine receives and will help it make more power. This modification should be performed by a shop familiar with modifying automotive electronics.

Install a better suspension. As originally equipped, the Mustang V6 has a pretty plush suspension, which is great for comfort but not so great for speed. Remove the stock springs and shocks and install stiffer,OBDSTAR X300M  lower springs and adjustable-performance shocks that will allow your Mustang to corner faster. Remember, a fast car is not simply fast in a straight line but fast around corners as well.

Replace the stock wheels and tires with a performance wheel and tire package. A larger set of wheels will allow you to install wider, stickier tires for better handling and grip. To make this an easy process, simply order the wheels that you want with the tires installed already. Simply jack up your Mustang with a floor jack and install the new wheels and tires.
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Lighten it. Gaining speed is not simply a function of adding power but is also a function of weight, more specifically a lack thereof. Though you want to keep your Mustang usable for the street (unless it’s a race car), you can install lighter aftermarket sport seats in place of the heavy stock seats. If you want to really get extreme, remove the rear seats, pull out the stock carpeting and sound deadening and install a lighter carpet kit made of thinner carpeting.