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why does my Toyota Highlander Third Generation (2014-2019) engine light come on after oil change? - Toyota Highlander
Home/Cars/Toyota/Highlander/Third Generation (2014-2019)/why does my Toyota Highlander Third Generation (2014-2019) engine light come on after oil change?

why does my Toyota Highlander Third Generation (2014-2019) engine light come on after oil change?

Toyota Highlander Third Generation (2014-2019)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
436 words

Problem Statement

Learn why the engine light comes on after an oil change in your Toyota Highlander 2014-2019. Follow our diagnostic steps and solutions to resolve the issue.

Affected Component
Engine
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect battery before working on electrical systems.
  • •Allow engine to cool before opening any components.

Symptoms

  • •Check engine light illuminated
  • •No visible oil leaks
  • •Engine running roughly or idling inconsistently
  • •Increased engine noise
  • •Oil pressure warning light may be triggered

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Socket set
  • •Torque wrench
  • •Oil dipstick

Parts Required

  • •Engine oil (correct type)
  • •Oil filter (if replacement is necessary)

Additional Information

Affected Component
Engine
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a flat surface.
  • Disconnect the negative terminal of the battery to prevent electrical shorts.
2. Check Oil Level
  • Reconnect the battery.
  • Start the engine and allow it to idle for a few minutes.
  • Use the dipstick to check the oil level; add oil if low, ensuring it is the correct type.
3. Inspect Oil Filter
  • Stop the engine and allow it to cool.
  • Locate the oil filter and ensure it is properly secured; tighten if loose.
  • If the filter is leaking, replace it with a new one.
4. Reset Check Engine Light
  • Use the OBD-II scanner to clear any error codes related to the oil change.
  • Recheck the oil level and ensure all systems are functioning normally.
5. Test Drive
  • Drive the vehicle for a short distance to see if the check engine light reappears.