Fuel pressure regulator - condition check
1. Turn off the ignition.
2. Disconnect the fuel pressure regulator connector.
3. Measure the resistance between terminals 1 and 2 of the regulator.
4. Check that the resistance is within specification.
Fuel rail pressure regulator - condition check
1. Turn off the ignition.
2. Disconnect the fuel rail pressure regulator connector.
3. Measure the resistance between terminals 1 and 2 of the regulator.
4. Check that the resistance is within specification.