what causes my Honda Accord to stall when accelerating

Solution

1. Preparation

• Gather tools: OBD-II scanner, fuel pressure gauge, socket set, torque wrench, multimeter, vacuum gauge.
• Ensure the vehicle is parked on a flat surface and the engine is cool.

2. Address Fuel Delivery Issues

1. Check Fuel Pressure

   • Connect the fuel pressure gauge to the fuel rail.
   • Turn the ignition to the "ON" position (do not start the engine); check the reading.
   • Compare the reading with manufacturer specifications (typically 30-40 psi).
   • If pressure is low, inspect and replace the fuel pump if necessary.

2. Inspect Fuel Filter

   • Locate the fuel filter (often found along the fuel line).
   • Disconnect fuel lines using a line disconnect tool.
   • Replace the fuel filter with a new one, ensuring proper orientation.

3. Clean or Replace Throttle Body

1. Remove Throttle Body

   • Disconnect the battery to prevent electrical shorts.
   • Remove the air intake duct connected to the throttle body.
   • Unscrew and detach the throttle body from the intake manifold.

2. Clean Throttle Body

   • Use throttle body cleaner and a soft brush to remove carbon deposits.
   • Ensure the throttle plate moves freely without obstruction.
   • Reattach the throttle body with a new gasket if required.

4. Inspect and Replace Spark Plugs and Ignition Coils

1. Remove Spark Plugs

   • Disconnect the battery.
   • Remove the ignition coil(s) by unscrewing them and unplugging electrical connectors.
   • Use a spark plug socket to remove the spark plugs.

2. Install New Spark Plugs

   • Check the gap on the new spark plugs and adjust to manufacturer specifications.
   • Install the new spark plugs and secure the ignition coils back in place.