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15 Ιουλ 2024 · DTC P0171 signals that Engine Bank 1 is getting too much air or not enough fuel. Trouble spots include an oxygen sensor, vacuum leak, MAF sensor, or the fuel system (filter, pump, or pressure regulator). Cost: $20–$1,042, depending on the issue. Fords, Chevrolets, and Toyotas are most vulnerable. David Goldberg. July 15, 2024.
3 Νοε 2023 · The P0171 lean code is a common occurrence in Toyota vehicles, indicating bank 1 is running an excessively lean air/fuel mixture. Potential causes range from intake leaks to fuel system components to sensor issues. Proper diagnosis is crucial before replacing parts.
7 Σεπ 2018 · P0171 indicates that your Ford F150 is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171.
22 Μαΐ 2023 · The P0171 error code in a Ford F-150 engine can be a daunting issue to troubleshoot. However, by understanding the various causes of the code, performing a diagnostic scan of the engine, and a careful inspection by experienced mechanics, the source of the code can be quickly identified and resolved.
10 Ιουλ 2021 · The OBDII trouble code P0171 - System Too Lean (Bank 1) means that the engine air-fuel mixture is too lean, or there is too much air and too little fuel. Driving a car with the code P0171 can cause more damage to the engine over time, as when the engine runs lean, the combustion temperature is higher.
P0171 or P0174 readings indicate too lean of a system in one of your cylinder banks. Learn common causes and solutions to these trouble codes.
25 Μαΐ 2022 · 1. Low Fuel Rail Pressure and Plugged or Blocked Fuel Injectors, Filters, or Pump. Fuel rail: Check the fuel rail’s pressure. If the pressure isn’t high enough, that’s a sign your car isn’t getting the amount of fuel it needs, which can trigger the P0171 code.
