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: P0171-P0223
| DTC(1) | Items (CONSULT screen terms) | |||||||
|---|---|---|---|---|---|---|---|---|
| CONSULT GST(2) | ECM(3) | |||||||
| P0171 | 0171 | FUEL SYS-LEAN-B1 | ||||||
| P0172 | 0172 | FUEL SYS-RICH-B1 | ||||||
| P0174 | 0174 | FUEL SYS-LEAN-B2 | ||||||
| P0175 | 0175 | FUEL SYS-RICH-B2 | ||||||
| P0181 | 0181 | FTT SENSOR | ||||||
| P0182 | 0182 | FTT SEN/CIRCUIT | ||||||
| P0183 | 0183 | FTT SEN/CIRCUIT | ||||||
| P0222 | 0222 | TP SEN 1/CIRC-B1 | ||||||
| P0223 | 0223 | TP SEN 1/CIRC-B1 | ||||||
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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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