my Honda Pilot YF3 (2016-2022) is stalling, what could be the problem?

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 prevent any electrical shorts.

2. Address Fuel Delivery Issues

• Check Fuel Pump:

  • Use a fuel pressure gauge to measure the fuel pressure at the rail. Compare with manufacturer specifications (usually around 30-50 psi).
  • If pressure is low, replace the fuel pump.

• Replace Fuel Filter:

  • Locate the fuel filter (may be in-line or part of the fuel pump assembly).
  • Disconnect fuel lines (use caution as fuel may spill).
  • Remove the old fuel filter and install the new one, ensuring proper orientation.

3. Inspect and Replace Ignition Components

• Inspect Spark Plugs:

  • Remove spark plugs using a socket set.
  • Check for wear or fouling and replace if necessary (use OEM or equivalent parts).

• Test Ignition Coils:

  • Disconnect the wiring harness from each ignition coil.
  • Use a multimeter to test coil resistance (consult specifications).
  • Replace any faulty ignition coils.

4. Clean Throttle Body

• Throttle Body Cleaning:
  • Remove the air intake duct to access the throttle body.
  • Use throttle body cleaner and a soft brush to clean the throttle plate and inner surfaces.
  • Reassemble the intake duct securely.

5. Reconnect Battery and Test

• Reconnect the battery terminals, ensuring they are tight.
• Start the engine and let it idle to check for improvements and listen for any abnormal sounds.