Check FTPS
- Connect KDS/GDS to Data Link Connector (DLC).
- Warm up the engine to normal operating temperature.
- Check the "Current Data" about related DTC with KDS/GDS.
Specification: The pressure variation more than 0.2 at acceleration
- Does the FTPS operate properly? (Check variation)
YES
- Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification Of REPAIR " procedure.
NO
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors, replace the FRPS and go to "Verification Of REPAIR " procedure.