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.
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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 6 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (4 OF 9))DTC INDEX
2019 Infiniti Q70 3.7 Luxe, AWD
DTC Index
2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Index
WARNING: This page is about a different variant/trim than selected.
DTC INDEX
| DTC | Description |
|---|---|
| DTC P0222, P0223, P2132, P2133 | TP SENSOR |
| DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 | MISFIRE |
| DTC P0315 | CKP SENSOR (POS) |
| DTC P0326 | KNOCK SENSOR |
| DTC P0327, P0328, P0332, P0333 | KS |
| DTC P0331 | KNOCK SENSOR |
| DTC P0335 | CKP SENSOR |
| DTC P0340, P0345 | CMP SENSOR |
| DTC P0420, P0430 | THREE WAY CATALYST FUNCTION |
| DTC P0441 | EVAP CONTROL SYSTEM |
| DTC P0443 | EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE |
| DTC P0444, P0445 | EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE |
| DTC P0447 | EVAP CANISTER VENT CONTROL VALVE |
| DTC P0448 | EVAP CANISTER VENT CONTROL VALVE |
| DTC P0451 | EVAP CONTROL SYSTEM PRESSURE SENSOR |
| DTC P0452 | EVAP CONTROL SYSTEM PRESSURE SENSOR |
| DTC P0454 | EVAP SYSTEM PRESSURE SENSOR |
RENDER: 1.0x
NO RELATED
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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.