A “0” tells you that it is a generic ECU fault code, while a “1” indicates that the code is specific to your car manufacturer. The next digit explains what the ECU trouble code pertains to. The following numbers indicate problems within specific systems or controls within your vehicle. 1. Emission Management (Fuel or Air Metering)
The purge valve solenoid is faulty. Insufficient vacuum supply to the EVAP system. There is an open or short in the voltage feed circuit to the purge valve solenoid. The Purge Flow Sensor or Leak Detection Pump has failed. There is corrosion or electrical resistance in the purge valve connector. The above are the more common causes of theJan 17, 2019 · i have a 2013 honda civic and im getting fault codes p1298 eld voltage high, p0102 maf sensor voltage low and p0141 ho2s s2 heater circuit malfunction on engine. i already tried an o2 sensor and the m … read more
Jul 4, 2018 · What Does Code P0420 Mean? OBD II fault code P420 is a generic code that is defined as “Catalyst System Efficiency below Threshold Bank 1”, and is set when the PCM (Powertrain Control Module) detects that the catalytic converter on bank 1 is operating below a minimum allowable efficiency threshold. Note that while “Bank 1” refers to the
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