6. Detect Malfunctioning Part
WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
Check the following.
- Fuel pump and circuit (Refer to DTC P1220 FUEL PUMP CONTROL MODULE (FPCM) and FUEL PUMP CIRCUIT .)
- Fuel pressure regulator (Refer to FUEL PRESSURE CHECK .)
- Fuel lines .)
- Fuel filter for clogging
- : Repair or replace.