Camshaft Position Sensor Symptoms-2024

If you drive a car, you know that the many sensors in your engine check its operation and condition. The camshaft position sensor is one such Sensor. Need to to the engine’s functionality. Yet, what does it do, and how will you know if it’s broken? We will answer all those questions and more in this text. We’ll give you an estimate of the cost of updating a malfunctioning position sensor. We also explain how to keep one from breaking in the first place. Now, let’s get going!

What is a Camshaft Position Sensor, and What Does it Do?

The Camshaft Position Sensor, as the call shows. It is a device that measures the placement and rotation of the camshaft. The camshaft is a metal shaft that has lobes or cams connected to it. These cams open and near the consumption. It exhausts valves in the engine’s cylinders. Allows air and gasoline to enter and go out of the combustion chamber.

The camshaft position sensor sends a sign to the engine manipulation unit (ECU). This decides the top-quality timing for the ignition and gasoline injection. The ECU also uses the signal to synchronize the camshaft with the crankshaft. It rotates two times as fast as the camshaft. This ensures that the valves and pistons are in sync and avoid collision.

This Sensor may be a corridor impact sensor or a magnetic reluctance sensor. A corridor effect sensor uses a magnet and a corridor effect device. It was created to generate a virtual sign that modifies the camshaft’s function. A magnetic reluctance sensor makes use of a coil and a magnet. And generate an analog signal that varies with the camshaft’s rotation. Both kinds of sensors are set up near the camshaft. Both at the cylinder head, the timing cover, or the distributor.

Camshaft Position Sensor
Photo Credit : Innova

What Causes a Faulty Camshaft Position Sensor?

A camshaft position sensor can fail due to many reasons, along with:

• Wear and tear: Over time, the Sensor can wear out because of publicity to heat, moisture, dirt, and vibration. This can motivate the Sensor to lose accuracy or forestall working altogether.

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• Damage: The Sensor may damaged with the aid of physical effects. Together with a collision or via electrical problems. This includes a brief circuit, a voltage surge, or a faulty wiring harness. This can cause the Sensor to send the wrong or no sign to the ECU.

• Contamination: The Sensor may contaminated by using oil, coolant, or metal shavings. They leak from the engine or the timing belt. This can interfere with the Sensor’s ability to detect the camshaft’s function or rotation.

• Misalignment: The Sensor may misaligned due to incorrect installation. Or unfastened mounting bolts or a worn or damaged timing belt or chain. This can cause the Sensor to examine the camshaft’s function or rotation.

What are the Symptoms of a Bad Camshaft Position Sensor?

· A bad Camshaft Position Sensor can cause lots of signs and symptoms. It affects the engine’s performance and drivability. Some of the most not unusual signs and symptoms are:

· • Check Engine Light Illuminates:

· This is one of the primary symptoms of a terrible Camshaft Position Sensor. It is the mild illumination of the check engine on the dashboard. The ECU detects trouble with the Sensor’s sign and shops a hassle code in its reminiscence. The hassle code can be retrieved via a scan device or an OBD2 reader. Some of the workable codes are P0340, P0341, P0344, P0345, P0346, P0347, P0348, and P0349.

· • Ignition Problems:

· An awful camshaft position sensor can affect the spark timing and the engine begin. The engine can also have a problem initially, whether cold or hot. The engine may also crank but now not a fireplace, or fire but now not run. The engine can enjoy a tough beginning, lengthy cranking, or no beginning conditions.

· • Poor Engine Performance:

· A terrible camshaft position sensor can cause an imbalance in the air-gas mixture. At times, it is in the combustion. The engine may run rough, gradual, or lack reaction. The engine can also hesitate, stumble, or surge while accelerating or decelerating. The engine may also lose electricity, torque, or fuel efficiency.

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• Fuel System Issues:

An awful camshaft position sensor can affect the gas injection and intake. The ECU may inject excessive gasoline into the cylinders, resulting in a wealthy or lean situation. The engine might also produce improved emissions, decreased mileage, or gasoline scent. The motor might also trigger the oxygen sensor. The catalytic converter codes include P0171, P0172, P0420, or P0430.

• Engine Misfire:

A horrific Camshaft Position Sensor can cause the cylinders to hearth out of order or in no way. The engine may additionally run difficult, shake, or lose electricity. The engine may also cause the misfire codes. It includes P0300, P0301, P0302, P0303, P0304, P0305, or P0306.

• Engine Stalling: A bad Camshaft Position Sensor can cause the engine to cut off suddenly or fail to restart. The machine can also stall idle when slowing down or coming to a forestall. The engine may also die at the same time as using or no longer restart after turning off.

• Poor acceleration: A horrific camshaft position sensor can affect the engine’s pace. The engine might also have delayed or jerky acceleration. The motor might also cause the throttle role sensor. The mass air waft sensor codes include P0120, P0121, P0122, P0123, P0100, P0101, P0102, or P0103.

• Transmission Issues:

A terrible Camshaft Position Sensor can affect the transmission shift points—also the smoothness. The transmission may shift hard, slip or flare, or overheat. The transmission may cause the transmission codes. Include P0700, P0715, P0720, P0730, P0740, or P0750.

Camshaft Position Sensor
Photo Credit :

How Much Does it Cost to Replace a Camshaft Position Sensor?

The value of replacing a Camshaft Position Sensor depends on several factors. They are the sensor type, place, and labor. The average value ranges from $ 120 to $ 300 for most vehicles and regions. The Sensor costs between $50 and $one hundred fifty, depending on the emblem and satisfaction. The hard work fee varies from $70 to $150, depending on the mechanic and the difficulty of the activity.

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To store cash and find a dependable mechanic, you can follow these hints:

• Compare fees: You can save around and compare costs from unique stores and online sources. You can also look at the opinions and scores of the stores and the sensors. You also can ask for a written estimate and a warranty from the store before agreeing to the service.

• Do it yourself:

You can update the Sensor yourself if you have a few fundamental tools and talents. You can locate the sensor place and the substitute method for your proprietor’s manual or online guides. You can also watch some videos or tutorials on how to do it. But you should be cautious and follow the safety precautions. These included disconnecting the battery, sporting gloves, and goggles; the right equipment and elements were used.

• Preventive maintenance:

You can save the camshaft position sensor from failing by everyday maintenance on your engine and its additives. You can change the oil and filter and check the coolant and different fluids. Just look at the belts, hoses, sensors, and connectors. You also can keep away from using it in harsh situations. This is together with severe temperatures, dirt, or water.


The Camshaft Position Sensor is a crucial component that displays the position. It also shows the rotation of the camshaft. It enables the ECU to control ignition and gasoline injection timing. Also, synchronize the camshaft and crankshaft. A faulty sensor can cause various engine performance issues. Faults include;

· test engine mild,

· ignition issues,

· poor engine performance,

· engine misfire,

· engine stalling,

· poor acceleration,

· and transmission problems.

Depending on the sensor type, location, and labor, replacing a bad sensor can range from $200 to $300. To save money, compare prices, do it yourself, or consider preventive maintenance. If you notice any symptoms of a bad sensor, act and get it fixed. Preventing sensor failure involves proper care of the engine and its components. A suitable camshaft position sensor is essential for efficient engine operation.

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