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BMW: E46; Audi: A3, A4; Αν το αυτοκίνητό σου εμφανίσει τον κωδικό P0171, βεβαιώσου ότι οι διαγνωστικοί έλεγχοι έχουν πραγματοποιηθεί σωστά και ότι η βλάβη εξακολουθεί να εμφανίζεται.
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.
25 Σεπ 2022 · Code P0171 indicates the engines computer (commonly known as the DME) thinks the engine is running too lean on bank 1. On inline-6 BMW engines, bank 1 refers to cylinders 1-3. Lean refers to the air-fuel ratio (AFR) and means there is too much air and too little fuel in the system.
6 Ιουλ 2023 · However, your OBD data only shows lean at +25% and there is no indication of a rich condition in your screen shots. Is your P0175 just a pending code or is it active? You grabbed the screen shots with the coolant temp at 57 degC. Try reading codes again with a warmer engine at idle, like 85 degC or higher. You didn't mention year/model of your car.
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.
2 Ιουλ 2022 · Positive fuel trims are common (as in universal) with e46s at around 125-150k. These are called “lean” because they are adding fuel to a mixture that has too little fuel. Over the long term, positive trims can contaminate the cats. This means positive trims above 3%, not just the ones that trigger P0171/P0174 codes.
3 Ιουλ 2019 · P0171 and 174 are the most commonly found codes, usually due to some type of vacuum leak. The suggested smoke test is the most definitive way to pin it down. :thumbup:
