Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Honda Pilot EliteFACTORY OEM SERVICE PROCEDURE
PGM-FI - Components
| A | FRONT A/F SENSOR (BANK 2, SENSOR1) | P | FUEL TANK | ||
| B | REAR A/F SENSOR (BANK 1, SENSOR 1) | Q | AIR CLEANER | ||
| C | FRONT SECONDARY HO2S (BANK 2, SENSOR 2) | R | INTAKE AIR RESONATOR | ||
| D | REAR SECONDARY HO2S (BANK 1, SENSOR 2) | S | EGR VALVE AND EGR VALVE POSITION SENSOR | ||
| E | MAP SENSOR | T | PCV VALVE | ||
| F | ECT SENSOR 1 | U | FRONT WU-TWC (BANK 2) | ||
| G | MAF SENSOR/IAT SENSOR | V | REAR WU-TWC (BANK 1) | ||
| H | KNOCK SENSOR 2 (BANK 2) | W | UNDER-FLOOR TWC | ||
| I | KNOCK SENSOR 1 (BANK 1) | X | EVAP CANISTER PURGE VALVE | ||
| J | THROTTLE BODY | Y | FTP SENSOR | ||
| K | FUEL INJECTOR | Z | EVAP CANISTER | ||
| L | FUEL RAIL PRESSURE SENSOR | AA | EVAP CANISTER VENT SHUT VALVE | ||
| M | FUEL PRESSURE REGULATOR | AB | FUEL TANK VAPOR CONTROL VALVE | ||
| N | FUEL FILTER | AC | HIGH PRESSURE FUEL PUMP | ||
| O | FUEL PUMP | AD | MIS-FUEL INHIBIT DEVICE |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.