这个码是什么意思？
P0171/P0172 对应第 1 气缸列，P0174/P0175 对应第 2 气缸列。过稀或过浓是控制器对混合气的判断，不是某个零件损坏的直接测量。比较怠速及负荷工况燃油修正，检查进气排气漏气，并按车型标准测试供油及传感器读数。
来源与解读范围 [1]
故障码描述检测到的异常，不直接指定必须更换的零件。
厂商技术资料
7以下为英文原文
TOYOTA
原文报码 P0171
TSB: Some 2014 ? 2020 model year Toyota vehicles may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank…
TOYOTA
原文报码 P0171
TSB: Some 2014 ? 2018 model year Highlander and Highlander Hybrid vehicles may exhibit one or more of the following conditions. ? Various drivability concerns ? Low or no fuel pressure ? Diagnostic Trouble Codes (DTCs)…
TOYOTA
原文报码 P0171
T-TT: Vehicles may experience various drivability concerns. Upon diagnosis, technicians commonly find no or low fuel pressure as well as a variety of DTCs (Commonly P1603, P1604, P1605, P0171, P0300, P0302, P0304,…
TOYOTA
原文报码 P0171
MALFUNCTION INDICATOR LAMP ON DIAGNOSTIC TROUBLE CODE P0171, P0174, P2195, OR P2197. *AK
TOYOTA
原文报码 P0171
TDN MAIL MESSAGE REGARDING REPORTS THAT SOME 4-CYLINDER VEHICLES MAY ILLUMINATE THE CHECK ENGINE LIGHT AND SET DIAGNOSTIC TROUBLE CODES (DTC) P1130, P1135, P1150, P1155, P0171 AND / OR P0174 WHEN OPERATED BELOW 30…
TOYOTA
原文报码 P0171
SUBJECT REGARDING ELECTRONIC CONTROL UNIT (ECU) REPROGRAMMING SUPPORT. CERTAIN 2001 FOUR CYLINDER VEHICLES, IF DRIVEN AT TEMPERATURES BELOW 30 DEGREES F, MAY DISPLAY A MALFUNCTION INDICATOR LAMP (MIL) AND STORE ONE OR…
核对适用车辆
9车型关联可作为查阅线索；具体发动机、生产范围和软件条件请核对厂商资料。
| 品牌 | 车型 | 年款 |
|---|---|---|
| Toyota | HIGHLANDER | 2019 |
| Toyota | HIGHLANDER | 2018 |
| Toyota | HIGHLANDER | 2017 |
| Toyota | HIGHLANDER | 2016 |
| Toyota | HIGHLANDER | 2015 |
| Toyota | HIGHLANDER | 2014 |
| Toyota | HIGHLANDER | 2006 |
| Toyota | HIGHLANDER | 2005 |
| Toyota | HIGHLANDER | 2001 |
历史车辆记录 · 7 · 历史车辆关联；此记录不证明车辆支持 OBD-II。
更换零件之前
记录报码及冻结帧，检查蓄电池状态、相关报码和可见的线束或软管损伤。按照该车诊断流程和测试结果决定维修，避免仅凭故障码换件。
来源与解读范围
以下解释由本站依据所列原厂资料整理。页码从 PDF 文件第一页计数。原文为英文，译文供查阅参考；引用某个版本不代表它就是厂商当前最新指令。
- 2024–2025 MY OBD System Operation Summary for Gasoline Engines ↗
Ford Motor Company · PDF 页码 21, 22 ·
来源核对日期 · 2026-10-27
还能继续驾驶吗？
仅靠故障码无法判断是否适合继续行驶。故障灯闪烁、严重抖动、过热、机油压力报警或制动转向异常都需及时处理。影响车辆控制或发动机安全时，应在安全地点停车并寻求帮助。以车辆手册为准。