why does my Honda CR-V engine light keep coming on and off

Solution

1. Preparation

• Gather tools: OBD-II scanner, socket set, multimeter, and basic hand tools.
• Ensure the vehicle is parked on a flat surface and the engine is off before starting.

2. Address Error Codes

• Connect the OBD-II scanner to the vehicle's diagnostic port.
• Retrieve and note down any error codes.
• Research the codes for specific troubleshooting related to your model year.

3. Inspect and Replace Spark Plugs

• Remove the engine cover if necessary (use socket set).
• Disconnect the ignition coils and remove them from the spark plugs.
• Use a spark plug socket to remove the old spark plugs.
• Inspect for wear; replace with OEM equivalent if necessary (torque to manufacturer specifications).

4. Test Battery and Alternator

• Use a multimeter to measure the battery voltage (should be around 12.6 volts when off).
• Start the engine and measure the voltage again (should read between 13.7 to 14.7 volts).
• If readings are outside these ranges, consider replacing the battery or alternator.

5. Check Gas Cap and Fuel System

• Ensure the gas cap is tightened properly; replace if damaged.
• Inspect fuel lines for leaks or wear.
• If necessary, replace the fuel filter according to the manufacturer's schedule.