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How do you fix code PO420 on a 2005 Nissan Xterra?
The P0420 code on a 2005 Nissan Xterra indicates a problem with the catalytic converter's efficiency. To fix it, first, inspect the exhaust system for any leaks and check the oxygen sensors for proper operation. If the sensors are functioning but the code persists, the catalytic converter may need to be replaced, as it could be clogged or damaged. Additionally, ensure that the engine is running optimally with no other issues that could affect emissions.
What mean Po420 Dode caravan?
Do didn't say which engine you have. The trouble code PO420 is telling you there is a catalystic converter not doing it's job. We need to know which engine and what year you have in order to determine which cat is at fault.
How do you fix po420 on impala 3.4?
Po420 2001chevy lmpala
2004 Chevy Colorado check engine codes PO420?
P0420=Catalyst System efficiency below threshold
02 prizm with 2 codes po420 and po135 i already changed both 02 sensors and the cat engine light is still on and its getting expensive i need help figuring this out?
the po420 could also be a misfire or vacuum leak
What code is PO420?
Code PO420 is catalytic converter efficiency low bank 1
What is a PO420 in a 2002 Mercury Cougar?
What is a PO420 in a 2002 mercury cougar: Now if your car is 2.0L DOHC. OBD ll PO420 : Catalyst Efficiency Below Threshold (BANK 1). Hope this helps...
What does enginecodes po420 po430mean dealer says conv needs replaced true.?
I also have a "service engine soon" code P0430 showing in my 2001 Tracker 4 wheel drive. I need to know what this code means so I don't have to pay for the diagnostics test again to fix it. My car is overheating when it idols and I'm unsure if the engine fan is going out or if this is due to the P0430 code.
What is the meaning of code PO420 on a 1998 Toyota Tacoma?
look it up on yahoo as engine codes cylinder 2 misfire it happened on mine the other day. 98 2.7 litre 4x4
What is code PO420 on a 2000 Chevy Prizm?
catalyst system fault
Replace converter on 2002 grandam but keep getting po420 code?
You assumed that Code PO420 Catalysis System Efficiency Below Threshold (Bank 1) meant the converter was bad? Not necessarily so. It can be an exhaust leak, defective O2 sensor on bank 1, engine coolant sensor is defective, leaking fuel injector, cylinder misfire, or problem with wiring on O2 sensor.
Why does a 2000 Toyota Camry erratic code po420 what can you do about it?
It's Catalyst system efficiency below threshold
