The Subaru Outback mixes fuel and air under pressure with a fuel injector. This function was previously performed passively by carburetors until the late 1980s. One advantage of fuel injectors is the programmable firmware that allows the fue...

The fuel injector in a Saturn Ion mixes fuel with air under pressure and rendered carburetors obsolete during the late 1980s. A fuel injector has programmable firmware that allows the same hardware to handle different fuels. The fuel injecto...

The Saturn VUE has a fuel injector that mixes fuel with air. This technology almost completely replaced carburetors in the late 1980s and its programmable firmware allows the same hardware to be used with different fuels. A fuel injector is...

The Pontiac Grand Prix mixes fuel and air under pressure with a fuel injector. Carburetors previously performed this function passively but were rendered obsolete by fuel injectors in the late 1980s. A fuel injector's programmable firmware a...

The fuel injector in a Pontiac Grand Am mixes fuel with air under pressure and rendered carburetors obsolete during the late 1980s. One advantage of a fuel injector is the programmable firmware that allows the same hardware to work with diff...

The Pontiac Bonneville fuel injector uses pressure to mix fuel with air. This method rendered carburetors almost entirely obsolete during the late 1980s and allows the same hardware to be used with different fuels due to the fuel injector's...

To keep the pressure in your engine's different compartments under control, your vehicle utilizes a positive crankcase ventilation (PCV) valve. If the PCV valve of your Volkswagen Passat has a clog or malfunctions, your engine will start to...

When working properly, the positive crankcase ventilation (PCV) valve controls the amount of pressure that builds up in your engine. The first sign that your PCV valve needs replacing is that your engine will start to run rough while you're...

To control the amount of pressure and vapors released, your car utilizes a part named the positive crankcase ventilation (PCV) valve. During operation, the valve may become clogged and render it unusable causing various engine issues. If you...

To control the amount of pressure and vapors released, your car utilizes a part named the positive crankcase ventilation (PCV) valve. During operation, the valve may become clogged and render it unusable. If you notice your engines seems to...

An important component of your vehicle that controls the amount of pressure in your engine is the positive crankcase ventilation (PCV) valve. Without proper airflow through the compartments of your engine, your car won't run efficiently. If...

Within your vehicle, the positive crankcase ventilation (PCV) valve controls the amount of pressure that builds up in the engine. Without proper airflow through the compartments of your engine, your car will not run efficiently. If you notic...

Within your vehicle, the positive crankcase ventilation (PCV) valve controls the amount of pressure that builds up in the engine. If the valve fails to work properly, your engine will start to run rough or backfire during operation. You can...

When working properly, the positive crankcase ventilation (PCV) valve controls the amount of pressure that builds up in your engine. If the PCV valve malfunctions or has a clog, your engine will start to run rough, especially while idling. Y...

The positive crankcase ventilation (PCV) valve controls the amount of pressure that builds up in your engine. If this part gets clogged or breaks on your Mercury Cougar, you'll need to replace the valve in order to prevent your engine from r...

The positive crankcase ventilation (PCV) valve in your vehicle's engine controls the amount of pressure that builds up in the engine. If the valve fails to work properly, your engine will start to run rough or backfire during operation. You...

The positive crankcase ventilation (PCV) valve controls the amount of pressure that goes through the compartments of your engine. If this valve gets clogged or breaks on your Hyundai Santa Fe, you'll need to replace the valve in order to pre...

Ford F-Series trucks have a number of different relays for the various models and model years. For example, the 2006 Ford F-150's adaptive learning computer relies on relays, fuses and switches to control high amounts of current that flow th...

Your 2008 Ford Explorer has a complex high current electrical system regulated through the use of an adaptive learning computer that relies on relays and switches to help control the amount of current distributed through the electrical syste...

If your 2002 Ford Taurus won't start, the malfunction may come from the starter motor relay, which helps to regulate current to, as its name suggests, the starter motor. Although easy to remove and replace, you should take extra care during...

If the top has malfunctioned on your 2006 Ford Mustang Convertible, you may have a damaged or broken convertible top up or down relay. Relays, like fuses and switches, help your vehicle's adaptive learning computer to control the amount of h...

Your 2009 Ford Focus coupe has an adaptive learning computer that relies on relays and switches to help control the amount of current distributed through the vehicle's electrical system. If the wipers malfunction and you rule out other malfu...

If your 2006 Chrysler Sebring Convertible won't start, consider the starter relay and socket cavity or attached wiring as potential malfunction sources. The plug-in style starter relay, as its name suggests, serves to help regulate high curr...

To keep the pressure in your engine's different compartments under control, your vehicle utilizes a positive crankcase ventilation (PCV) valve. Over time, your PCV valve may develop a clog or lose its vacuum. If either of these problems occu...

The 2002 Mercury Villager has relays--used to help regulate high current devices such as your air conditioning or fuel system--scattered throughout three separate compartments: the passenger side compartment, the engine compartment fuse/rela...

From 1982 to 1992, Chevy produced the third generations of Camaro, the first with a modified MacPherson strut system and, in the absence of leaf-spring rear suspension, a long torque arm with coil springs. The "new" Camaro offered options pr...

The 1984 Chevy Corvette launched the fourth generation of the only true sports car made in America. The previously flamboyant design was replaced by a leaner, meaner look with race-ready suspension boasting alloy components. The 1984 Corvett...

Throughout the 1960s and early 70s, the Chevy Impala topped the sales charts. Despite its decline in the wake of smaller, midsized cars, enthusiasts have remained loyal to Impala, which is a favorite among restorers. From 1979 to 1989, the C...

The 2005 and 2006 Chevy Cobalt offered a 2.0L four-cylinder engine that was supercharged and yet economical. If the vehicle is regularly maintained with routine tune-ups, but you notice decreased performance or poor gas mileage, it may be ti...

The 2002 to 2006 second generation Cadillac Escalade offers seven different engine sizes. The intake manifold on the 4.8L, 5.3L and 6.0L engines includes the throttle body, fuel injectors and fuel injection rails in the assembly. When removi...

The 2001 Acura Integra was available with six different engine sizes. The 3.2L and 3.5L models were the most popular and the most alike when considering service and repair issues. In these two engines, the manifold and throttle body are a si...

The Chevrolet Silverado offers a variety of body styles and powertrains that allowed it to serve as a utility vehicle and the family car. Chevy introduced Silverado in 1999 and many of those vehicles are still on the road. The following step...

The Hyundai Sonata offered 1468cc and 1495cc engines in models produced between 1990 and 1993. While these models today have a lot of miles on them, their economy and reliability inspires enthusiasts to rebuild them. The following steps walk...

The Honda CR-V is known for reliability and economy. This SUV design uses unibody construction over four-wheel independent suspension instead of a truck frame. However, the CR-V doesn't offer a manual transmission. The following steps guide...

The last generation of Honda's Prelude was issued between 1997 and 2002. It was the biggest and heaviest, and many still say, the best Prelude, having evolved over the years from a chubby baby to a Euro-style coupe. Today a good used Prelude...

Between 2003 and 2007, the Honda Accord offered a 240 horsepower 3.0L V6 engine with a six-speed manual or automatic transmission. This seventh generation Accord offers straightforward, reliable transportation and is widely popular among use...

The second generation of the GMC Sierra was produced from 1999 to 2006. While the newly introduced V8 options were the most popular, the 4.3L four-cylinder engine was still available. The Sierra with the smaller engine is popular among used-...

Chevrolet introduced the Geo Tracker as part of an international line. While it didn't make it into the new millennium name Geo Tracker, it lived on for several years as the Suzuki Vitara, produced from 1989 to 1997 with a 1.6 four-liter eng...

The Geo Metro was plagued by a number of lemons, the model does have its loyal fans. The "roller skate" design is well known for fuel economy, pep and reliability, and many owners opted for the Metro a second time. Chevy discontinued the Geo...

The 2.5L engine with a four-speed transmission and front-wheel drive was standard on most Chrysler Sebrings manufactured from 2004 through 2006. The intake manifold consists of an upper plenum chamber that absorbs the pulsations of the air p...

The fuel injectors,throttle body and fuel injection rail are part of the intake manifold assembly on the 2002 to 2005 Chevy Avalanche 1500. When removing the manifold to clean it or when replacing the manifold on the 4.8L, 5.3L or 6.0L engin...

The Pontiac Grand Am was sold heavily to rental car companies. While sales were steady for the Grand Am over the years, it was discontinued in 2005. The following steps guide you through the installation of the exhaust manifold in the 3.1L a...

The Alero joined the Oldsmobile lineup without much fanfare and then went out without a whimper, albeit with stylish effort. The Alero was fun to drive, and that was its main draw. In the wake of well-established import competition, the Aler...

Plymouth introduced Voyager as the first Chrysler minivan in response to the Dodge Caravan. It was mostly K-Car except for the rear system, which used leaf springs instead of coil springs instead of a solid axle. While power was not an issue...

Plymouth discontinued production of its Neon in 2001. The model still has its fans, and a 2001 Neon in mint condition is a great find for the used-car buyer. The following steps explain the procedure to remove and install the exhaust manifol...

The Pontiac Bonneville received its name for the Utah salt flats, the sight of many land speed records. Pontiac made Bonneville for 47 years. Throughout the longevity of its design life, the changes reflect the desires of the era's drivers....

The Nissan Pathfinder prides itself as a sport utility vehicle on its appeal to "truck people." Produced between 1989 and 1995, the truck was offered with four different engines. The procedure for removing and installing the intake manifold...

The Nissan Sentra was first manufactured in 1973 under Datsun. It carried both the Datsun and Nissan emblems in 1983. The first generation was produced through 1988. Known for reliability and fuel economy, many of the early Sentras are still...

The fifth generation (2000 to 2003) Nissan Maxima offered a smooth revving 3.0L V6 engine with 222 horsepower. Given the combination of performance, utility and luxury, the Maxima was one of Nissan's most popular models. The following steps...

The Nissan Altima offers a five-passenger sedan with performance which appeals to the car enthusiast. The biggest upgrade in the Altima came in the third generation debuting in 2002. The 3.5L V6 engine boasts of 240 horsepower and was a popu...