PCM vs ECM vs ECU vs TCM (What’s the Difference?)

PCM vs ECM vs ECU vs TCM

Before vehicle computers were invented, cars and trucks used a system of mechanical and pneumatic devices to manage systems such as valve timing and idle speed.  Now, modern vehicles have a complex system of sensors and actuators connected to computers which enable the vehicles to perform well and efficiently. These electronics are confusing enough without … Read more

6 Symptoms of a Bad Power Steering Pump (and Replacement Cost)

bad power steering pump

Power steering was created in 1951 to help drivers turn their vehicles with ease. During a time when cars started getting bigger and heavier, this was a welcome advancement in technology. It takes more energy to move something with more mass, especially at low speeds. Classic power steering uses a power steering pump that moves … Read more

6 Symptoms of a Bad Radiator Cap (and When to Replace)

bad radiator cap symptoms

Combustion engines generate a lot of heat just from normal operation. Without removing heat from the engine, the vehicle will encounter a slew of problems that eventually lead to engine failure. A failure of the cooling system could leave you stranded, and may even cause total engine failure in extreme cases. Fortunately, a common and … Read more

6 Symptoms of Bad Spark Plugs (and Replacement Cost)

bad spark plugs

Spark plugs are crucial components to an internal combustion engine. Without them, there would be nothing to ignite fuel within the combustion chamber. It’s no surprise that dirty or fouled spark plugs are a common cause for many engine issues. Here you’ll learn how a spark plug works as well as common symptoms of a … Read more

4 Common Engine Misfire Causes

cylinder misfire causes

In our previous article, we went over what an engine misfire is and the common symptoms of an engine misfire. So how do you determine what is causing the engine to misfire in the first place? The combustion engine is relatively complicated as it has a lot of parts that need to work in the … Read more

5 Symptoms of a Bad or Clogged Fuel Filter (and Replacement Cost)

clogged fuel filter symptoms

Since the fuel tank constantly attracts dust, dirt, and debris over time, the collected particles can cause harm to the fuel filter and even risk the fuel pump as well. Eventually, all these contaminants will begin to clog the fuel filter and it will not work effectively to allow enough fuel to pass through to … Read more

7 Symptoms of a Bad MAP Sensor (and Replacement Cost)

bad map sensor symptoms

A MAP sensor, or manifold absolute pressure sensor, is a type of engine sensor that measures the amount of air pressure present in a vehicle’s intake manifold. This pressure reading is used along with engine speed (measured in revolutions per minute, or RPM) to determine engine load, which allows the vehicle’s engine control unit (ECU) … Read more