Questions & Answers for: Subaru p0420 code

...code P0420 and that it would cost @ $1,200.00 to repair. This seem pretty high. What is this diagnostic code about and is the repair rate My check engine light came on on my 2005 Subaru Outback and ...

...p0420 code is set when the computer determines that the catalytic converter isn't doing it's job. In almost all instances that code can't set as a result of a bad o2 sensor so they probably didn't ...

...P0420, 2000 Subaru Outback 2.5 CODE PO420 CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD BANK I * CODE PO325 KNOCK SENSOR NO.1 CIRCUIT MALFUNCTION BANK NO.1 OR SINGLE SENSOR P0325 Knock Sensor Circuit ...

...code again - P0420 Can anyone confirm? P0420 is one of two things, it is either a catalyst failure (below threshold) or rear lambda. The rear lambda should have a steady waveform when the engine is ...

electrical code P0420 for Subaru outback P0420....Catalyst System Efficiency Below Threshold (Bank 1)

...code P0420. O2 sensor has been replaced. I read that there was a bad batch of catalytic converters in this model. Any other easy tests or fixes? p0420 is set when the convertor is unable to store ...

...P0420 code is combined with other codes, try fixing the other codes first. Trouble Code: P0442Evaporative Emission Control System Leak Detected (small leak) Possible Causes:Check any other DTC on ...

...code P0420 P0420 OBD-II Trouble Code Technical Description Catalyst System Efficiency Below Threshold (Bank 1) What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code. It ...

...came on my 2011 Subaru Legacy premium. I connected the computer and got three codes. P020 PRM, P0420 PND, and P0420 CNF. Can you please let me know what they are? P0420 Catalyst System

a 2010 Subaru Impreza it has a 420 code what does that mean. Amy, P0420 Catalytic Converter Efficiency Below Threshold. https://allwheeldriveauto.com/subaru-check-engine-light-and-code-p0420-explained