1A
DTC P0087: Fuel Rail / System Pressure Too Low
NOTE:
• This DTC indicated only with SUZUKI scan tool.
• Fault finding procedure application conditions for stored DTC:
The DTC is detected with the engine running.
Detecting Condition
Status displayed on SUZUKI scan tool Detecting condition Indicator / Warning light operation
D5 Trim minimum for high fuel Red stop warning light (gravity 2 fault) light up.
D6 Trim maximum for high fuel  
Troubleshooting
Check the connection and condition of the fuel flow actuator connector.
Repair if necessary.
Check the connection and condition of the ECM “C47” connector.
Repair if necessary.
Check for the 12 V after ignition feed on “C40-1” terminal of the fuel flow actuator connector.
Repair if necessary.
Check the insulation, continuity and absence of interference resistance of the connection:
• Between “C47-7” terminal of ECM connector and “C40-2” terminal of fuel flow actuator
Repair if necessary.
Check fuel flow actuator for resistance referring to Fuel Flow Actuator Inspection:K9K .
Check for fuel in the tank.
Carry out Test 1: Low Pressure Circuit Check:K9K .
Repair if necessary.
If the fault persists, carry out Test 7: High Pressure Pump Check:K9K .
If DTC P0087 is still detected, replace the ECM.
After Repair
Deal with any faults detected by SUZUKI scan tool.
Clear the DTC.
Carry out a road test followed by another check with the SUZUKI scan tool.