my Honda CR-V's engine races when I start the car is this normal

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is on a flat surface and secure the parking brake.
• Disconnect the battery to avoid electrical shorts.

2. Inspect and Clean Throttle Body

• Remove the air intake duct connected to the throttle body.
• Use throttle body cleaner and a soft cloth to clean any carbon build-up around the throttle plate.
• Check for proper operation by manually opening and closing the throttle plate.
• Reinstall the air intake duct securely.

3. Check and Clean Idle Air Control Valve (IACV)

• Locate the IACV, typically near the throttle body.
• Disconnect the electrical connector from the IACV.
• Remove the IACV from its mounting by unscrewing it.
• Clean the valve using a suitable cleaner; inspect for damage.
• Reinstall the IACV and reconnect the electrical connector.

4. Inspect Vacuum Hoses

• Visually check each vacuum hose connected to the intake manifold for signs of wear or cracks.
• Replace any damaged hoses with OEM parts.
• Ensure all connections are tight and secure.

5. Test Mass Airflow Sensor (MAF)

• Disconnect the MAF sensor connector.
• Use a multimeter to check the resistance and voltage output to ensure it is within specification.
• Clean the MAF sensor with specific MAF cleaner if contamination is suspected.
• Reconnect the MAF sensor.

6. Inspect Fuel Delivery System

• Use a fuel pressure gauge to check the fuel pressure at the rail.
• If pressure is higher than specifications, consider replacing the fuel pressure regulator.
• If necessary, replace the fuel filter to ensure adequate fuel flow.