how to fix P0174 code on my Volvo XC60 First Generation (2008-2017)

• •Check engine light illuminated
• •Rough idle
• •Loss of power during acceleration
• •Decreased fuel economy
• •Engine stalling or hesitation
• •Unusual engine noises

1. 1Scan for error codes using an OBD-II scanner to confirm P0174 and check for any related codes.
2. 2Inspect vacuum hoses for leaks or damage by visually examining the hoses connected to the intake manifold.
3. 3Check the Mass Air Flow (MAF) sensor for dirt or contamination by removing and cleaning it with MAF cleaner.
4. 4Inspect the fuel system for low pressure by using a fuel pressure gauge to measure pressure at the fuel rail.
5. 5Examine the intake manifold gasket for wear or leaks by performing a visual check and using a smoke test if necessary.
6. 6Check the fuel trim data using the scanner to observe the long-term and short-term fuel trim values.

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
• •Pliers
• •Hose clamps
• •Torx screwdriver
• •MAF cleaner
• •Fuel pressure gauge
• •Socket set
• •Torque wrench
• •Gasket scraper

• •Vacuum hoses (if required)
• •MAF sensor (if required)
• •Fuel filter (if required)
• •Intake manifold gasket