5 Symptoms of a Bad ECM (and Replacement Cost)

ecu

The engine control module (ECM), also referred to as the engine control unit (ECU), is a critical component which links your engine to the central computer of your vehicle. The ECM manages most of the functions of the engine, based on the information it receives from other systems and electronic components within the vehicle. If … Read more

5 Symptoms of a Bad Ignition Coil (and Replacement Cost)

bad ignition coils

An ignition coil in a vehicle basically serves as a compact electrical transformer. In other words, an ignition coil has the ability to convert the 12-volt electrical current from a car battery into at least 15,000 volts of electricity for the spark plug. This high-voltage current gets sent to the spark plug and then the … Read more

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

bad MAP sensor

The MAP sensor, also known as the Manifold Absolute Pressure sensor, is a necessary component of your vehicle’s fuel injection system. If the MAP were to go bad, you will likely know it. As you may know, the intake manifold is responsible for distributing the air and fuel mixture from the internal combustion chamber into … Read more

Iridium vs Platinum Spark Plugs (Pros and Cons)

iridium vs platinum spark plugs

When air and fuel start to mix inside of the internal combustion chamber, it needs an electrical spark to ignite. The ignition coil is attached to something called a spark plug, which is responsible for forming a high voltage electrical spark that is necessary for igniting the air and fuel mixture of the internal combustion … Read more

5 Symptoms of a Bad Camshaft Position Sensor

bad camshaft position sensor

The internal combustion engine contains a device called the camshaft. The job of the camshaft is to manage the intake of gasoline and the emission of fumes from the exhaust system. There are offset lobes attached to the camshaft which control the exhaust valves and intake valves. A timing belt or chain link the camshaft … Read more

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

car speedometer

On modern fuel injected engines, there are many sensors that work together to tell the engine or transmission computer the state of the world. The computer needs to know how fast the wheels are turning, how fast the engine is spinning, and make sure that all monitored parameters remain within specifications. A “speed sensor” could … Read more