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Can bad fuel injectors cause P0171 code?
Clogged fuel injectors or a dirty fuel filter will cause a similar backup. In cases where the vacuum system is leak-free, there is enough gas reaching the engine, and the code P0171 still shows with your check engine light, there remains a hope of finding the cause.
What does lean Bank 1 and Lean Bank 2 mean?
If you have codes stored in the engine computer for lean bank 1 and 2 is caused by the entire engine is running lean. This is caused by not enough fuel getting into the engine or too much unmetered air getting into the engine and the computer cannot compensate anymore to run it normal.
How do you fix DTC code p0171 Ford Explorer?
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What is code p0174 on a Ford Explorer?
The P0174 code on a Ford Explorer will often be thrown if the fuel injection system is not operating properly. Typically the code will be triggered by a lean condition in the engine. There aren’t usually any drivability issues associated with P0174.
How to fix p0171 code?
Connect an OBD2 scanner to your vehicle.
What causes Lincoln Navigator code p0171?
Mileage- may or may not suffer depending on how much the air fuel mixture has changed.