Engine brakes are systems in large trucks that use the engine's power to slow down the vehicle. These systems are more effective at slowing heavy vehicles than traditional friction brakes, but they can be very loud. Many municipalities ban engine braking near residential areas.
One common form of engine braking is the jake brake, a system that opens the compression valves inside the engine. This lets out the compressed gas in the cylinders and slows the vehicle substantially. When the valves open, the gas rushes out and makes a distinctive and very loud chattering noise, which can be heard for quite some distance from the vehicle.Learn More
It is possible to turn off the check engine light on a vehicle, including a Grand Am, by disconnecting the battery. It must remain disconnected for at least five minutes. In some cases, this won't remove the trouble codes, but it will turn the light off temporarily.Full Answer >
The check engine light illuminates on a Mazda to indicate the powertrain control module has detected a problem in the engine or transmission of the vehicle. The powertrain control module is a computer that manages the vehicles fuel injection, firing and emissions, according to Repair Pal.Full Answer >
When a car sputters as it idles, this means the car is either not getting enough power or fuel. To test the problem, the driver presses down on the gas peddle. If doing so makes the car stop sputtering, there is a problem with fuel delivery. If this does not help, there is a problem with the power supply.Full Answer >
The check gauges light illuminating in a vehicle simply indicates that one or more gauges is giving an abnormal reading. For example, the car could be running hot, or the gas could be low. In this case, the respective gauge light should also be lit. As soon as the problem indicated by the gauge is fixed, the light generally goes off.Full Answer >