Service and Cost
Typical Cost
The cost to replace or repair a crankshaft position sensor can vary based on several factors, including the make and model of the vehicle, and whether you choose an aftermarket or OEM (Original Equipment Manufacturer) part. Generally, the cost can be broken down into parts and labor:
1. Parts Cost: The price of a new crankshaft position sensor typically ranges from $75 to $250. The cost can be higher for luxury or high-performance vehicles.
2. Labor Cost: Labor costs are calculated at our shop rate of $125 per hour. Most crankshaft position sensor replacements take between 1-2 hours, putting labor costs between $125 and $250. Some vehicles have easily accessible sensors, while others may require more time to reach, which could increase labor time.
3. Total Cost: Combining parts and labor, the total cost to replace a crankshaft position sensor usually falls between $200 and $500. However, this can be higher for certain vehicles, particularly luxury or European models where parts costs are typically higher.
We recommend scheduling a diagnostic appointment to get an accurate quote for your specific vehicle. While DIY repairs might save on labor costs, our certified technicians ensure proper installation and can diagnose any related issues during the repair process.
Typical Service Procedure
When replacing or repairing a crankshaft position sensor, several steps and components are typically involved to ensure the vehicle operates correctly. Here's a general overview of what is typically included in this process:
1. Diagnosis: A thorough diagnosis is performed to confirm that the crankshaft position sensor is indeed faulty. This often involves using an OBD-II scanner to check for error codes related to the sensor.
2. Preparation Disconnect the vehicle's battery to ensure safety while working on the electrical components. Gather necessary tools and the replacement sensor. This may include screwdrivers, wrenches, and possibly a ratchet set.
3. Accessing the Sensor Locate the crankshaft position sensor. Its location can vary depending on the vehicle make and model, but it is typically found near the engine's crankshaft, often at the front or side of the engine block. In some vehicles, it may be necessary to remove other components to gain access to the sensor, such as the engine cover, air intake components, or other obstructing parts.
4. Removing the Old Sensor Disconnect the electrical connector from the sensor. Remove any bolts or screws securing the sensor in place. Carefully extract the sensor from its position.
5. Installing the New Sensor Position the new crankshaft position sensor in place. Secure it with the appropriate bolts or screws, ensuring it is tightened to the manufacturer's specifications. Reconnect the electrical connector to the new sensor.
6. Reassembly Reinstall any components that were removed to access the sensor. Ensure all connections and parts are securely fastened.
7. Testing Reconnect the vehicle's battery. Start the engine to ensure it runs smoothly and that the check engine light is not illuminated. Use an OBD-II scanner to clear any error codes and verify that the issue has been resolved.
8. Final Checks Perform a test drive to ensure the vehicle operates correctly and that there are no further issues related to the sensor replacement.
It's important to follow the specific procedures and torque specifications outlined in the vehicle's service manual, as these can vary between different makes and models.
What is a Crankshaft Position Sensor and What Does It Do?
The crankshaft position sensor is a component in modern internal combustion engines. Its primary function is to monitor the position and rotational speed (RPM) of the crankshaft. This information is essential for the engine control unit (ECU) to manage various engine functions, such as fuel injection timing, ignition timing, and variable valve timing.Here's a more detailed explanation of its role and operation:
1. Location: The crankshaft position sensor is typically located near the crankshaft, often at the front or rear of the engine. It can be mounted on the engine block, timing cover, or bell housing, depending on the vehicle design.
2. Types: There are mainly two types of crankshaft position sensors: magnetic (inductive) and Hall effect sensors. Magnetic sensors generate an AC voltage signal as the crankshaft rotates, while Hall effect sensors produce a digital signal.
3. Function: As the crankshaft rotates, the sensor detects the position of the crankshaft by reading a toothed wheel or reluctor ring attached to the crankshaft. Each tooth passing by the sensor generates a signal, which the ECU interprets to determine the crankshaft's position and speed.
4. Importance: Accurate crankshaft position data is crucial for the ECU to synchronize the engine's operations. It ensures that fuel is injected at the right time and that the spark plugs fire at the optimal moment for efficient combustion. This helps in maximizing engine performance, fuel efficiency, and reducing emissions.
5. Symptoms of Failure: A faulty crankshaft position sensor can lead to various engine problems, such as difficulty starting the engine, stalling, misfires, poor acceleration, and reduced fuel efficiency. In some cases, the engine may not start at all.
6. Diagnosis and Replacement: Diagnosing a faulty crankshaft position sensor typically involves using a diagnostic scanner to check for error codes related to the sensor. If the sensor is found to be defective, it usually needs to be replaced to restore proper engine function.Overall, the crankshaft position sensor is a vital component that plays a key role in the precise control of engine operations, contributing to the overall performance and reliability of the vehicle.
Signs of a bad Crankshaft Position Senso
The crankshaft position sensor is a critical component in a vehicle's engine management system. It monitors the position and rotational speed of the crankshaft, providing essential data to the engine control unit (ECU) for optimal fuel injection and ignition timing. When this sensor begins to fail, it can lead to a variety of issues. Here are some common signs of a failing crankshaft position sensor:
1. Check Engine Light: One of the most common indicators of a failing crankshaft position sensor is the illumination of the check engine light on the dashboard. The ECU may detect irregularities in the sensor's readings and trigger this warning.
2. Engine Misfires or Rough Idling: A faulty sensor can lead to incorrect timing of the fuel injection and ignition systems, causing the engine to misfire or idle roughly. This can result in a noticeable decrease in engine performance.
3. Difficulty Starting the Engine: If the sensor is failing, it may not provide the necessary data for the ECU to start the engine properly. This can lead to extended cranking times or the engine not starting at all.
4. Stalling: A failing crankshaft position sensor can cause the engine to stall unexpectedly, either at idle or while driving. This is due to the loss of critical timing information needed for engine operation.
5. Reduced Fuel Efficiency: Incorrect timing of the fuel injection and ignition can lead to inefficient combustion, resulting in reduced fuel economy.
6. Acceleration Problems: A faulty sensor can cause hesitation or jerking during acceleration as the ECU struggles to manage the engine's timing correctly.
7. Vibration or Poor Engine Performance: The engine may run unevenly or vibrate due to improper timing, leading to a noticeable drop in performance.If you suspect a problem with the crankshaft position sensor, it's important to have it diagnosed and repaired by a professional mechanic. Ignoring these symptoms can lead to more severe engine problems and potentially costly repairs.
How It Works
- Get a quote online or set-up a time to have your vehicle looked at.
- Pick time slots that work for you, easily, online.
- We will confirm appointments and send reminders.
- Our mechanics bring everything that is needed to you.
- All you have to do is provided a safe area for the work to be performed.
What we need from you
- A safe place to work on your vehicle
- No working on the side of busy roads
- No working on unstable or steep surfaces.
- We do not perform repairs during severe weather.
- Authorization from a property owner or management.
- Repair work done in a parking lot or at your requires permission.
- We do not do repairs in areas restricted by law.
Common Questions
Service Area
Our primary service area is greater Grand Rapids and includes Comstock Park, East Grand Rapids, Grandville, Kentwood, Walker, and Wyoming
Our secondary service area is provided by our Belding location and includes: Belding, Greenville, Ionia and the sorrounding areas.
Contact us if you have any questions about where we provide services.
