Fuel Pressure Release: Service and Repair
Fuel Pressure Relief ProcedureCAUTION: This work must not be done when engine is hot. If done so, it may cause adverse effect to catalyst.
NOTE: If ECM detects DTC(s) after servicing, clear DTC(s) referring to DTC Clearance.
1. Make sure that engine is cold.
2. Shift transaxle gear shift lever in "Neutral" (shift select lever in P range for A/T model), set parking brake and block drive wheels.
3. Remove relay / fuse box cover.
4. Disconnect fuel pump relay (1) from relay / fuse box (2).
5. Remove fuel filler cap in order to release fuel vapor pressure in fuel tank, and then reinstall it.
6. Start engine and run it until engine stops for lack of fuel. Repeat cranking engine 2 - 3 times for about 3 seconds each time in order to dissipate fuel pressure in lines. Fuel connections are now safe for servicing.
7. After servicing, connect fuel pump relay (1) to relay / fuse box and install relay / fuse box cover.