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.
2012 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Index For DTC: P0300-P0430
| DTC(1) | Items (CONSULT screen terms) | |||||||
|---|---|---|---|---|---|---|---|---|
| CONSULT GST(2) | ECM(3) | |||||||
| P0300 | 0300 | MULTI CYL MISFIRE | ||||||
| P0301 | 0301 | CYL 1 MISFIRE | ||||||
| P0302 | 0302 | CYL 2 MISFIRE | ||||||
| P0303 | 0303 | CYL 3 MISFIRE | ||||||
| P0304 | 0304 | CYL 4 MISFIRE | ||||||
| P0327 | 0327 | KNOCK SEN/CIRC-B1 | ||||||
| P0328 | 0328 | KNOCK SEN/CIRC-B1 | ||||||
| P0335 | 0335 | CKP SEN/CIRCUIT | ||||||
| P0340 | 0340 | CMP SEN/CIRC-B1 | ||||||
| P0420 | 0420 | TW CATALYST SYS-B1 | ||||||
| P0430 | 0430 | TW CATALYST SYS-B2 | ||||||
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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.
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