The Fuel System

View:

Sorted by:

How to Check Your Vehicle's Air Filter

In most newer, fuel-injected vehicles, the air filter is found inside a rectangular box called a cold air collector box. The air filter is usually close to the front of the vehicle, near the inside of [more…]

How to Change Your Car's Air Filter

On most modern vehicles, the air filter is under the hood inside a rectangular cold air collector box that’s located up near the front of the engine compartment. [more…]

How to Change Your Vehicle's Fuel Filter

Changing the filter on a fuel-injected vehicle can be tricky. On fuel-injected vehicles, you need to disable the fuel pump to relieve the pressure on the fuel lines, which may be secured to the filter [more…]

How to Change a Vehicle's PCV Valve

Not every vehicle has a PCV (positive crankcase ventilation) valve. If yours has one, and your engine has been idling roughly or a malfunction indicator light goes on, check the PCV valve to make sure [more…]

How to Check and Clean the PCV Valve

Car manufacturers suggest that PCV valves be cleaned or replaced after somewhere between 20,000 to 50,000 miles of driving. Consult your owner’s manual to see where the PCV valve is located on your vehicle [more…]

How to Troubleshoot Catalytic Converters

The catalytic converter is a very important part of the emissions control system on your vehicle. It’s usually good for the life of a vehicle, but occasionally it does fail. The best thing you can do is [more…]

How to Check an Engine's Cylinder Compression

If your vehicle has been running roughly or losing power, there may be a lack of pressure in one or more cylinders. To determine whether pressure is escaping from the engine, you need to check the compression [more…]

How to Change the Oil in Your Vehicle

Changing oil is usually easy. Unless it’s impossible to reach your oil filter and/or oil drain plug, it’s cheaper to change the oil yourself. All you have to do is unscrew a plug and a filter, let the [more…]

How to Tell If Your Car Is Getting Air

If you're troubleshooting engine problems, air is simple — and probably not the problem. Your vehicle gets its air through the cold air collector box, or air cleaner. Unless the air filter inside it is [more…]