Auto Repair

The Honda MAP sensor measures the amount of air flowing into the engine. In this way, the sensor is able to help the Honda ECU (central computer) adjust the fuel ratio for optimal fuel efficiency...

The MAP sensor in your 1998 Jeep Cherokee is responsible for measuring the airflow going to the engine. MAP stands for "manifold absolute pressure". As the name suggests, the MAP sensor is mounted...

The process to replace the crankshaft position (CKP) sensor on many Buick models is rather involved, since you must remove the drive belt and balancer/pulley from the crankshaft. Then you will...

The LeSabre shares at least one thing in common with the Chevrolet Corvette and Ford Mustang: it is in the small club of cars that have been in continuous production by the same manufacturer for...

The computer on your Pontiac 3.8 model uses the crankshaft position (CKP) sensor to control ignition timing. Consequently, a bad CKP sensor will have a direct impact on engine performance....

The Nissan Sentra is a compact car produced by Nissan Motors since 1983. In the past decade, the Sentra has been powered by engines ranging from 1.3 liters to the 2.5-liter inline 4-cylinder...

The Hyundai Elantra has been around since 1991, but wasn't made available in North America or Europe until 1993. Featuring different four-cylinder engines throughout its generational redesigns,...

The MAF sensor, or mass air flow sensor, is a critical part of your engine. It measures how much air is coming from the air filter into the engine and tunes the air-fuel ratio. If the sensor is...

If there is one common denominator amongst practically all 1984 to 1996 Jeep Cherokees (XJ , ZJ, WJ and WK's alike) it is a bad ignition. Though typically robust, most Jeep Cherokees will...

The Explorer is Ford's midsize SUV. Debuting in 1990 for the 1991 model year, it has been the best-selling SUV in the United States. The 2003 Ford Explorer is part of the vehicle's third...

Those who own an Acura MDX are faced with a bit of a good-news/bad-news situation. The good news is that Honda (Acura) makes some of the nicest interiors per dollar in the industry, and some of...

Manufactured by Jatco, partially owned and operated by Toyota, the Ford CVT (Continuously Variable Transmission) is one of those few emerging technologies that has far outperformed expectations. ...

The Altima replaced the Stanza as the car company's midsize car, making its debut in 1992 for the 1993 model year. Since then, it has had three subsequent generations (1998 to 2001, 2002 to 2006...

Spark knock in a modern Subaru engine has become a thing of the past with the advent of the knock sensor. When the knock sensor detects a spark knock in your Subaru's engine, it sends a message to...

The crankshaft position sensor and throttle position sensor are perhaps the the only parts of an electronic fuel injection system that the computer simply cannot function without. The throttle...

A wide-band oxygen sensor works just like a narrow-band O2 sensor, except that it is used for high-performance tuning applications. The sensor measures a broader range of air-flow specifications...

Trouble codes on a Honda are denoted by an illuminated (check engine) light on the instrument panel. The illumination of this light means that the engine computer recognizes a problem in its...

The oxygen sensor is used to monitor the amount of oxygen in the exhaust system's gas stream. The sensor is located on the exhaust manifold and proper operation is dependent upon electrical...

Korean automaker Kia has produced the Sedona minivan since 1999 and has offered it for sale in the U.S. since 2003. Redesigned for the 2006 model year, the Sedona continues to be among the...

Camshaft sensors, formally called camshaft position sensors, help your engine maintain emission and idle efficiency. The sensor itself cannot be fixed; it must be replaced. A faulty camshaft...

You may be having trouble with your Chrysler Concorde cruise control system. That's not uncommon for Chrysler vehicles with more than 60,000 miles on them. However, before you start replacing...

The oxygen (O2) sensors on an Oldsmobile Aurora are a series of small sensors placed in the exhaust system that monitor the amount of unburned oxygen in the exhaust. The O2 sensors relay this...

The cam position sensor on a Ford 4.0 V6 is located on the dipstick side of the engine in the forward part of the block. The computer uses the camshaft sensor to determine the firing of the fuel...

A car's O2 sensor is a main component in keeping your car in smooth-running order. There are many warning signs that are caused by problems with your O2 sensor and the following will help you...

The crank sensor (properly known as the crankshaft position sensor or CKP) on a GMC Sierra is a small magnetic sensor that measures the rotation of the crankshaft. The crank sensor measures engine...

The camshaft position, or CMP, sensor on your Buick is located on the front side of the engine near the timing chain. Depending on your particular vehicle, you might need to look under the power...

A malfunctioning camshaft position (CMP) sensor has a direct impact on the fuel economy and engine power of your Ford F-150. Neglecting the problem or waiting for the sensor to reach the end of...

The throttle position sensor, often referred to as the TPS, helps maintain your vehicle's idle speed. If your TPS is defective, it must be replaced. The Mazda MX6 was sold between 1987 and 1997....

The camshaft sensor, officially known as the camshaft position sensor (CPS), is a vital part of a car's engine. The sensor sends signals to the vehicle's ECU (computer) to notify it of the...

Keeping your car's oxygen sensor in good working condition is important for the health and performance of your car. The oxygen sensor helps your car's engine produce relatively few emissions, and...

The GM 3.1 crankshaft position sensor is a cylindrical-shaped sensor located behind the crankshaft pulley. The sensor has three wires on its connector. One outside wire is the 12V power and the...

The 1990 through 1995 Ford Taurus came equipped with the Teves Mark 4 four wheel anti-lock brake system. This system was replaced in 1996 with the more compact Bosch 5.0 four wheel ABS system....

A Ford Taurus with a four-cylinder engine will have two sensors. There are three or four on a V-6, depending on the year. The computer will set an oxygen sensor code every time the signal is...

The Taurus is one of the more popular vehicles designed and created by the Ford Motor Company. This four-door vehicle was designed for families and those who needed more room and space. If you're...

The mass air flow sensor in a Ford Contour is attached to the air filter housing on the right side of the engine compartment. From time to time, contaminants from the environment will coat the...

The Mazda RX7 exhaust may need to be replaced if you live in northern climates where road salt will eat away at the metal underneath the car or if you live near the ocean (where the moisture and...

The throttle position sensor (TPS) on a Pontiac Fiero is a potentiometer used by the computer to determine the amount and rate of throttle opening. The sensor sends a voltage of less than one volt...

The manifold absolute pressure sensor, or MAP sensor, is used to measure the amount of air flowing through the intake system and into the engine. The sensor sends airflow rate data to the Honda...

The Nissan Maxima has a series of O2 sensors installed into the exhaust system of the vehicle. The upstream or front sensor is located on the exhaust manifold, underneath the vehicle. The sensor...

The first generation of On-Board Diagnostic [OBD-1] systems of the early 1980s used a red or amber Check Engine dashboard light to alert the driver of an abnormal operation in one or more of the...

The ABS system in a Ford truck senses the wheel speed and prevents the wheels from locking up. This system is very advanced and can apply brake pressure intermittently--also called "pumping the...

The Crankshaft Position (CKP) sensor monitors crankshaft position and speed. Your vehicle computer uses this information, along with data from other vehicle sensors, to maintain ignition timing....

The crankshaft position sensor (also known as the crankshaft speed sensor) monitors engine RPM and assists the crankshaft to maintain proper timing and engine valve clearance. A faulty crankshaft...

The oxygen sensor on a Dodge Ram helps to monitor the exhaust gases (emissions) coming out from the exhaust. However, it also serves as a device that monitors the air/fuel ratio going into the...

Installing a dual exhaust on a Ford station wagon is the exact opposite of removing it. However, if you had the exhaust removed for you or you are doing custom work for your vehicle in stages, you...

The O2 sensor is plugged into the exhaust of a vehicle and measures the ratio of air-to-fuel making its way into the engine indirectly. It acts as an emissions control device. Since the ideal...

The speed sensor is a magnetic coil plugged into the bottom of the transmission on most vehicles. Replacing the speed sensor is a matter of unscrewing it and screwing in a new sensor. The speed...

A vehicle speed sensor provides a signal that the vehicle's onboard computer uses to calculate the vehicle's speed. This sensor works the same way a wheel speed sensor on an ABS-equipped car...

A metal or magnetic post on each wheel passes by a Hall effect sensor, triggering an electronic signal at each rotation. The sensor is mounted on a stationary part of the suspension near the...

The camshaft position sensor tells the computer what position the camshaft is in, and the computer calculates ignition and fuel injection timing from this signal. The symptoms of a faulty camshaft...