Расшифровка ошибки P0171 у Chevrolet: Система корректировки топливоподачи, ряд 1
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Связанные сервисные бюллетени
Марка:
Шевроле
Код:
P0171
Определение:
Система корректировки топливоподачи, банк 1
Описание:
Коды неисправности P0101, P0102, P0103, P0106, P0107, P0108, P0201-P0208, P0300, P0301-P0308, P0442, P0443, P0446, P0449, P0452, P0453, P028627050, P049627050, P049627050, P0452 P2229 не установлены. Двигатель находится в состоянии замкнутого контура. Тест на вмешательство Catalyst Monitor, Интрузивный тест после диагностики O2, Контроль устройств и Диагностика EVAP не активны. Температура охлаждающей жидкости двигателя (ECT) составляет от -40 до + 150 ° C (от -40 до + 302 ° F). Температура всасываемого воздуха (IAT) составляет от -20 до + 150 ° C (от -4 до + 302 ° F). Абсолютное давление в коллекторе (MAP) находится в пределах 10–255 кПа (1,45–37 фунтов на кв. Дюйм). Скорость автомобиля составляет менее 134 км / ч (83 миль / ч). Скорость двигателя составляет 375-7000 об / мин. Массовый расход воздуха (MAF) составляет от 1 до 510 г / с. Барометрическое давление (BARO) превышает 70 кПа (10,2 фунта на кв. Дюйм). Уровень топлива больше 10 процентов. Эта диагностика запускается непрерывно, если выполнены указанные выше условия.
Причина:
- Среднее долгосрочное средневзвешенное значение FT больше или меньше калиброванного значения.
- Вышеупомянутое условие присутствует примерно в течение 3 минут после выполнения условий запуска кода неисправности.
From english:
Decoding the error P0171 from Chevrolet: Fuel Trim System Lean Bank 1
Make:
Chevrolet
Code:
P0171
Definition:
Fuel Trim System Lean Bank 1
Description:
DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0201-P0208, P0300, P0301-P0308, P0442, P0443, P0446, P0449, P0452, P0453, P0455, P0496, P0506, P0507, P2227, P2228, P2229 are not set.The engine is in Closed Loop status.The Catalyst Monitor Intrusive Diagnosis Test,Post O2 Diagnosis Intrusive Test,Device Control,and EVAP Diagnosis "tank pull down" are Not Active.The engine coolant temperature (ECT) is between -40 and +150°C (-40 and +302°F).The intake air temperature (IAT) is between -20 and +150°C (-4 and +302°F).The manifold absolute pressure (MAP) is between 10-255 kPa (1.45-37 psi).The vehicle speed is less than 134 km/h (83 mph).The engine speed is between 375-7,000 RPM.The mass air flow (MAF) is between 1-510 g/s.The barometric pressure (BARO) is more than 70 kPa (10.2 psi).The fuel level is more than 10 percent.This diagnostic runs continuously when the above conditions have been met.
Cause:
- The average long term FT weighted average value is more or less than a calibrated value.
- The above condition is present for approximately 3 minutes after the Conditions for Running the DTC have been met.
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