how to fix P0174 code in my Volvo XC60 Second Generation (2018-2024)

• •Check engine light illuminated
• •Rough idle or stalling
• •Decreased fuel efficiency
• •Increased emissions
• •Unusual engine noises or backfiring
• •Strong fuel odor

1. 1Scan the vehicle's computer system using an OBD-II scanner to confirm the P0174 code and check for any additional codes.
2. 2Inspect the air intake system for leaks or cracks, particularly around hoses and the intake manifold.
3. 3Check the mass air flow (MAF) sensor for dirt or damage; clean or replace as necessary.
4. 4Inspect fuel delivery components, including the fuel pump, fuel filter, and fuel injectors for proper operation and clogs.
5. 5Verify the operation of the engine's vacuum system; check for any vacuum leaks in hoses or gaskets.
6. 6Examine the oxygen sensors for proper function and replace if they are failing or giving inaccurate readings.

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

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

• •OBD-II scanner
• •Torque wrench
• •Fuel pressure gauge
• •Multimeter
• •MAF sensor cleaner
• •Basic hand tools (socket set, screwdrivers)

• •MAF sensor (if replacement is necessary)
• •Fuel filter
• •Fuel injectors (if cleaning is insufficient)
• •Vacuum hoses (if damaged)
• •Intake manifold gasket (if leaking)