Pontiac Speed Sensor

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Pontiac Speed Sensor

Have you been getting too many speeding tickets lately and yet your Pontiac’s speedometer tells you you’ve done nothing wrong? Then it’s probably high time that you replace your Pontiac’s speedometer. But if you’ve already done this and the result is still the same, then you are in a bigger trouble for it’s probably the Pontiac speed sensor that failed. This means that you’ll get more speeding tickets the next time you drive. And not only that! This also means that the performance and safety of your Pontiac is at a great risk!

A speed sensor is a vehicle component that tells the vehicle’s computer how fast the car is traveling. There are basically two types of speed sensors installed in vehicles today. One is the wheel speed sensor that is used on vehicles equipped with an anti-lock braking system (ABS). The wheel speed sensor measures the rotational speed of a wheel and feeds such information to the processing unit of the ABS. The sensor does this by picking up impulses from the wheel’s toothed signal rotor. Vehicles not using ABS brakes normally don’t have a wheel speed sensor.

The other type of speed sensor used in vehicles is the engine speed sensor. Actually, the engine speed sensor is basically the same as the wheel speed sensor. But instead of being installed on the wheel’s rotor, the engine speed sensor is usually installed near the engine’s crankshaft. Engine speed sensors are usually made up of a toothed metal disk mounted on the crankshaft and a stationary detector that covers a magnetic coil where the current pulses passes through. Like the wheel speed sensor, the engine speed sensor obtains impulses from the toothed signal crankshaft and delivers these impulses to the engine ECU, which in turn would calculate the engine speed using the impulses.

So how can any of these two speed sensors affect the performance and safety of your Pontiac? The speed signals delivered by the engine speed sensor are used by the engine ECU to control engine timing, fuel delivery and automatic transmission shift points. The signals from the wheel speed sensor, on the other hand, tell the ABS ECU whether the vehicle’s wheel is locking or not. If both speed sensors are giving the wrong signals, then control functions of the engine ECU and ABS ECU will be largely compromised.

So if you’re still getting a lot of speeding tickets and yet there’s nothing wrong with your Pontiac’s speedometer, then better have a mechanic install a new Pontiac speed sensor on your Pontiac. Here at Parts Train, we have a wide selection of Pontiac wheel speed sensors and engine speed sensors that you can use for the replacement job. With our Pontiac speed sensors, you can be assured that your Pontiac’s engine and ABS brakes will perform better.