Civic L4-1.8L CNG (2008)
Fuel Pressure Sensor/Switch: Service and Repair
Fuel Pressure Switch Replacement
Fuel Pressure Switch Replacement
1. Remove fuel pressure regulator P1.
2. Remove the fuel pressure switch (A).
3. Apply silicone oil or polyalkyleneglycol (PAG) oil to a new O-ring (B) and carefully install it into its proper position.
4. Install the parts in the reverse order of removal.
5. Do the leak inspection procedure.