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why does my Honda Pilot Third Generation (2016-present) engine light come on intermittently - Honda Pilot
Home/Cars/Honda/Pilot/Third Generation (2016-present)/why does my Honda Pilot Third Generation (2016-present) engine light come on intermittently

why does my Honda Pilot Third Generation (2016-present) engine light come on intermittently

Honda Pilot Third Generation (2016-present)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
550 words

Problem Statement

Learn how to diagnose and fix intermittent engine light issues in Honda Pilot (2016-present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Engine
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

  • •Check engine light illuminated intermittently
  • •Rough idle or engine stalling at times
  • •Decreased fuel efficiency
  • •Engine performance fluctuations (loss of power)
  • •Unusual noises from the engine compartment
  • •Possible smell of fuel or exhaust fumes

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
  • •Fuel pressure gauge
  • •Screwdrivers

Parts Required

  • •Air filter
  • •Spark plugs
  • •Ignition coils (if needed)
  • •Fuel filter (if needed)

Additional Information

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

Related Faults

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the engine is cool.
  • Disconnect the battery to avoid any electrical shorts.
2. Scan and Identify Codes
  • Use an OBD-II scanner to retrieve diagnostic trouble codes (DTC).
  • Document any codes and research them to understand potential issues.
3. Inspect and Replace Components

A. Air Filter Inspection

  • Remove the air filter housing cover.
  • Inspect the air filter for dirt and debris; replace it if dirty.
  • Reinstall the air filter housing cover securely.

B. Fuel System Check

  • Connect a fuel pressure gauge to the fuel rail.
  • Start the engine and check for proper fuel pressure according to OEM specifications (typically around 40-50 psi).
  • If pressure is low, inspect the fuel pump and fuel filter; replace if necessary.

C. Ignition System Inspection

  • Remove the spark plug wires and inspect for wear.
  • Check spark plugs for fouling or damage; replace if needed (OEM spec gap: 0.043-0.047 inches).
  • Inspect ignition coils for cracks or damage; replace as necessary.
4. Exhaust System Inspection
  • Visually inspect the exhaust system for any signs of leaks or damage.
  • Check the catalytic converter for blockages or excessive heat.
  • Replace any damaged exhaust components.
5. Reconnect Battery and Clear Codes
  • Reconnect the battery terminals and ensure they are tight.
  • Use the OBD-II scanner to clear fault codes and reset the check engine light.