Question about 2007 Hyundai Tiburon
Fault code P0170 fuel trim malfunction (Bank 1) for Hyundai Tucson 2008
Posted on Apr 29, 2015
Code P0170 indicates a bank 1 fuel trim problem. Probable causes:
1. Faulty sensor or solenoid
2. Control unit software needs updating
3. Faulty PCM or ECM
4. Fuel pressure problem. Check pump, regulator,filter, and lines
Posted on Apr 22, 2014
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Posted on Jan 02, 2017
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The code P0170 means that the air-fuel mixture coming in to the engine is too lean, or too rich. Usually it's the lean condition that causes this code. The code P0173 means the same, only for the Bank 2. Some car manufacturers list the description for the code P0170 as self adaptation out of limits.
The code P0170 could be caused by a number of reasons, such as vacuum leaks, bad PCV valve, or other parts of crankcase ventilation system, low fuel pressure, bad oxygen sensor, bad MAF sensor or even a bad EGR vlave.
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