| P043E |
Reference orifice low flow |
Refer to DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission System Leak Detection Pump Control Circuit Low; DTC P2402: Evaporative Emission System Leak Detection Pump Control Circuit High; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low |
| P043F |
Reference orifice high flow |
| P0441 |
- Purge VSV stuck closed
- Purge VSV stuck open
- Insufficient purge flow
|
Refer to DTC P0441: Evaporative Emission Control System Incorrect Purge Flow |
| P0451 |
Canister pressure sensor (built into canister pump module) signal noise |
Refer to DTC P0451: Evaporative Emission Control System Pressure Sensor Range / Performance; DTC P0452: Evaporative Emission Control System Pressure Sensor / Switch Low Input; DTC P0453: Evaporative Emission Control System Pressure Sensor / Switch High Input |
| P0452 |
Canister pressure sensor voltage low |
| P0453 |
Canister pressure sensor voltage high |
| P1420 |
Small or 0.02 inch leak from canister |
Refer to DTC P1420: Evaporative Emission Canister Small Leak; DTC P1421: Evaporative Emission Canister Gross Leak |
| P1421 |
Gross leak from canister |
| P1422 |
Small or 0.02 inch leak from fuel tank |
Refer to DTC P1422: Fuel Tank Small Leak; DTC P1423: Fuel Tank Gross Leak |
| P1423 |
Gross leak from fuel tank |
| P1451 |
- Fuel tank pressure sensor signal noise
- Fuel tank pressure sensor signal fixed/flat
|
Refer to DTC P1451: Fuel Tank Pressure Sensor Range/Performance; DTC P1452: Fuel Tank Pressure Sensor Low Input; DTC P1453: Fuel Tank Pressure Sensor High Input |
| P1452 |
Fuel tank pressure sensor voltage low |
| P1453 |
Fuel tank pressure sensor voltage high |
| P2401 |
Leak detection pump stuck OFF |
Refer to DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission System Leak Detection Pump Control Circuit Low; DTC P2402: Evaporative Emission System Leak Detection Pump Control Circuit High; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low |
| P2402 |
Leak detection pump stuck ON |
| P2419 |
Vent valve stuck ON (closed) |
| P2420 |
Vent valve stuck OFF (vent) |
Refer to DTC P2420: Evaporative Emission System Switching Valve Control Circuit High |
| P2450 |
Fuel vapor-containment valve stuck open |
Refer to DTC P2450: Fuel Vapor-containment Valve Stuck Open; DTC P2451: Fuel Vapor-containment Valve Stuck Close |
| P2451 |
Fuel vapor-containment valve stuck closed |
| P2610 |
Soak timer (built into ECM) |
Refer to DTC P2610: ECM / PCM Internal Engine Off Timer Performance |