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Fuel Pressure Release

Powertrain Management › Tune-up and Engine Performance Checks
Unified entry — merged from multiple cross-listed pages in the original manual.
Procedures
Fuel Pressure Release: Service and Repair9 steps
  1. Remove fuel fill cap.
  2. Remove fuel pump fuse from Totally Integrated Power Module (TIPM). For location of fuse, refer to label on underside of TIPM cover.
  3. Start and run engine until it stalls.
  4. Attempt restarting engine until it will no longer run.
  5. Turn ignition key to OFF position.
  6. Place a rag or towel below fuel line quick-connect fitting at fuel rail.
  7. Disconnect quick-connect fitting at fuel rail. Service and Repair
  8. When the repair is complete, return fuel pump fuse to TIPM.
  9. One or more Diagnostic Trouble Codes (DTC's) may have been stored in PCM memory due to fuel pump fuse removal. A diagnostic scan tool must be used to erase a DTC.
Fuel Pressure Release: Service and Repair9 steps
  1. Remove fuel fill cap.
  2. Remove fuel pump fuse from Totally Integrated Power Module (TIPM). For location of fuse, refer to label on underside of TIPM cover.
  3. Start and run engine until it stalls.
  4. Attempt restarting engine until it will no longer run.
  5. Turn ignition key to OFF position.
  6. Place a rag or towel below fuel line quick-connect fitting at fuel rail.
  7. Disconnect quick-connect fitting at fuel rail. Service and Repair
  8. When the repair is complete, return fuel pump fuse to TIPM.
  9. One or more Diagnostic Trouble Codes (DTC's) may have been stored in PCM memory due to fuel pump fuse removal. A diagnostic scan tool must be used to erase a DTC.
Fuel Pressure Release: Service and Repair9 steps
  1. Remove fuel fill cap.
  2. Remove fuel pump fuse from Totally Integrated Power Module (TIPM). For location of fuse, refer to label on underside of TIPM cover.
  3. Start and run engine until it stalls.
  4. Attempt restarting engine until it will no longer run.
  5. Turn ignition key to OFF position.
  6. Place a rag or towel below fuel line quick-connect fitting at fuel rail.
  7. Disconnect quick-connect fitting at fuel rail. Service and Repair
  8. When the repair is complete, return fuel pump fuse to TIPM.
  9. One or more Diagnostic Trouble Codes (DTC's) may have been stored in PCM memory due to fuel pump fuse removal. A diagnostic scan tool must be used to erase a DTC.
Factory service manual
From the 2008 KK factory manual — descriptions, specs, torque & procedures for this part.
FUEL SYSTEM PRESSURE RELEASE📷 1
1. Remove fuel fill cap. 2. Remove fuel pump fuse from Totally Integrated Power Module (TIPM). For location of fuse, refer to label on underside of TIPM cover.
  3.   Start and run engine until it stalls.
  4.   Attempt restarting engine until it will no longer run.
  5.   Turn ignition key to OFF position.
  6.   Place a rag or towel below fuel line quick-connect fitting at fuel rail.
  7.   Disconnect quick-connect fitting at fuel rail. See STANDARD PROCEDURE.
  8.   When the repair is complete, return fuel pump fuse to TIPM.
  9.   One or more Diagnostic Trouble Codes (DTC's) may have been stored in PCM memory due to fuel pump
fuse removal. A diagnostic scan tool must be used to erase a DTC.
figure