how to diagnose camshaft position sensor issues in Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

484 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix camshaft position sensor issues in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shorts.
•Allow the engine to cool before starting work to avoid burns.

Symptoms

•Check engine light illuminated
•Engine misfire or rough idle
•Difficulty starting the engine
•Poor acceleration or engine performance
•Increased fuel consumption
•Engine stalling

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related trouble codes.
2
Visually inspect the camshaft position sensor and its wiring for any signs of damage or corrosion.
3
Check the sensor’s electrical connector for secure fit and clean contact points.
4
Verify the sensor's output using a multimeter to check for proper voltage and signal when the engine is running.
5
Inspect the timing belt or chain for proper alignment and wear, as this can affect camshaft operation.
6
Test the engine control module (ECM) for proper communication with the camshaft position sensor.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Socket set
•Torque wrench
•Screwdriver set

Parts Required

•Camshaft position sensor (OEM recommended)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related trouble codes.
2
Visually inspect the camshaft position sensor and its wiring for any signs of damage or corrosion.
3
Check the sensor’s electrical connector for secure fit and clean contact points.
4
Verify the sensor's output using a multimeter to check for proper voltage and signal when the engine is running.
5
Inspect the timing belt or chain for proper alignment and wear, as this can affect camshaft operation.
6
Test the engine control module (ECM) for proper communication with the camshaft position sensor.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle's battery.
Ensure the vehicle is on a level surface and secure with wheel chocks.

2. Remove the Camshaft Position Sensor

Locate the camshaft position sensor (usually near the engine's cylinder head).
Disconnect the electrical connector from the sensor.
Remove the mounting bolts securing the sensor using a socket set.
Carefully pull the sensor out from its mounting location.

3. Inspect and Replace

Inspect the old sensor for physical damage or wear.
If damaged, install a new camshaft position sensor:
- Apply a small amount of engine oil to the O-ring of the new sensor to ensure proper sealing.
- Insert the new sensor into its mounting location.
- Secure it with the mounting bolts to the manufacturer's torque specifications (typically around 89-108 in-lbs).

4. Reconnect Electrical Components

Reconnect the electrical connector to the new camshaft position sensor securely.

5. Reconnect Battery and Test

Reconnect the battery terminals.
Start the engine and allow it to reach normal operating temperature.
Check for any warning lights on the dashboard.