Eccentric Shaft Sensor Repair Costs
BMW VANOS Eccentric Shaft Sensor Replacement
Typical repair time: 1.5 - 2 hours
Labor cost: $187.50 - $250.00
Parts cost: $85 - $150
Total estimated cost: $272.50 - $400.00
Mercedes-Benz Camshaft Hall Sensor Replacement
Typical repair time: 1 - 1.5 hours
Labor cost: $125 - $187.50
Parts cost: $75 - $120
Total estimated cost: $200 - $307.50
Audi/VW Camshaft Position Sensor Replacement
Typical repair time: 1 - 2 hours
Labor cost: $125 - $250
Parts cost: $65 - $130
Total estimated cost: $190 - $380
*Please note: These are estimated costs based on typical repairs. Actual costs may vary depending on vehicle model, year, and specific repair requirements. Additional parts or repairs may be necessary upon inspection.
What's included in our service:
- Complete diagnostic scan
- Removal and replacement of faulty sensor
- System testing and calibration
- Final performance verification
Eccentric Shaft Sensor Repair Procedures
BMW VANOS Eccentric Shaft Sensor
Common Symptoms:Engine management light, rough idle, loss of power, error codes related to VANOS system
Repair Steps:
- Connect diagnostic tool to verify error codes and confirm eccentric shaft sensor failure
- Remove engine cover and locate the sensor on the VANOS unit
- Disconnect the electrical connector from the sensor
- Remove mounting bolt(s) securing the sensor
- Carefully extract the old sensor
- Clean the sensor mounting surface
- Install new sensor with new O-ring if applicable
- Reconnect electrical connector
- Clear error codes using diagnostic tool
- Test drive to confirm proper operation
Mercedes-Benz Eccentric Shaft Sensor
Common Symptoms:Check engine light, camshaft timing issues, reduced performance
Repair Steps:
- Perform diagnostic scan to confirm sensor failure
- Remove necessary components to access the sensor (usually near camshaft adjuster)
- Unplug electrical connector
- Remove sensor mounting screws
- Extract failed sensor
- Install new sensor ensuring proper alignment
- Torque mounting screws to specification
- Reconnect electrical connector
- Reset engine management system
- Perform test drive to verify repair
Audi/VW Eccentric Shaft Sensor
Common Symptoms:P0016 code, timing correlation errors, rough running
Repair Steps:
- Connect VAG-COM or similar diagnostic tool
- Remove engine covers to access sensor location
- Disconnect battery negative terminal
- Unplug sensor electrical connector
- Remove mounting bolts
- Remove old sensor
- Install new sensor with new seal if required
- Reinstall mounting bolts to specified torque
- Reconnect electrical connector and battery
- Clear fault codes and verify repair
Important Notes:
- Always use OEM or high-quality replacement sensors
- Ensure proper torque specifications are followed
- Replace any damaged wiring or connectors
- Some vehicles may require adaptation or programming after sensor replacement
Note: These procedures are general guidelines. Specific steps may vary by model and year. Always consult manufacturer documentation for detailed instructions.
Understanding Eccentric Shaft Sensors

AnEccentric Shaft Sensor, also known as a camshaft position sensor, is a crucial electronic component in modern vehicle engines. It monitors the position and rotational speed of the eccentric shaft (camshaft) and sends this information to the engine's control unit (ECU).
Types of Eccentric Shaft Sensors
1. Hall Effect Sensors
- Uses magnetic fields to detect shaft position
- Provides precise digital output signals
- Most commonly used in modern vehicles
- Highly reliable and resistant to environmental factors
2. Magnetic Sensors
- Uses magnetic reluctance to detect shaft position
- Generally more affordable than Hall Effect sensors
- Commonly found in older vehicle models
- More susceptible to interference from external magnetic fields
3. Optical Sensors
- Uses light beams to detect shaft position
- Highly accurate measurements
- Less common in automotive applications
- More sensitive to dirt and debris
Functions and Benefits
Eccentric Shaft Sensors perform several critical functions:
- Ensures proper engine timing
- Optimizes fuel injection timing
- Helps maintain efficient engine performance
- Reduces emissions
- Improves fuel economy
Note: Regular maintenance and timely replacement of faulty sensors are essential for optimal engine performance and fuel efficiency.
Important:If you notice engine misfiring, rough idling, or difficulty starting your vehicle, your eccentric shaft sensor might need inspection or replacement.
Common Failure Symptoms of Eccentric Shaft Sensor (ESS)
Eccentric Shaft Sensor Failure Symptoms and Maintenance Guide
Common Signs of Eccentric Shaft Sensor Failure
Check Engine Light
One of the first indicators of a failing eccentric shaft sensor is an illuminated check engine light, often accompanied by error codes P0340 or P0341.
Rough Idle or Stalling
The engine may experience irregular idle patterns or unexpected stalling due to incorrect timing signals from a faulty sensor.
Hard Starting
Vehicle may have difficulty starting or require multiple attempts to start, especially when the engine is warm.
Poor Engine Performance
You might notice:
- Reduced power output
- Decreased fuel efficiency
- Hesitation during acceleration
- Rough running conditions
Maintenance Schedule
Regular Inspection
Visual inspection should be performed every 60,000 miles or when experiencing any of the above symptoms.
Cleaning
The sensor should be cleaned during regular maintenance intervals (approximately every 30,000 miles) to prevent debris buildup.
Replacement
While there's no specific replacement interval, most eccentric shaft sensors typically last between 80,000 to 100,000 miles under normal conditions.
Preventive Maintenance
Regular engine oil changes and maintaining proper engine timing can help extend sensor life.
Important Note: These are general guidelines. Specific maintenance schedules may vary based on vehicle make, model, and driving conditions. Always consult your vehicle's manual for manufacturer-specific recommendations.
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.