Question about 1993 Suzuki Samurai
I have code p0170 the motor runs very rough if I can get it revved up high enough the car runs good . Idle is very rough and it is hard to get it to rev up
Code p0170 refers to fuel trim (FT) bank 1--malfunction===causes--intake leak---AIR system fuel pressure/pump/injectors--EVAP canister purge valve--HO2s
It also refers to heated oxygen sensor (HO2S) 3 bank 1--circuit malfunction===causes --wiring---HO2S--ECM
fix the o2 sensor and the purge valve and you may be on the way to fixing the faults.
Posted on Dec 27, 2013
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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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