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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
Why does a 2000 Toyota Camry erratic code po420 what can you do about it?
It's Catalyst system efficiency below threshold
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
How do you fix po420 on impala 3.4?
Po420 2001chevy lmpala
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...
2001 grand prix diagnostic trouble codes po420?
P0420 is a Catalytic Converter efficiency failer. More than likely you will need a new Catalytic Converter.
What is code PO420 on a 2000 Chevy Prizm?
catalyst system fault
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.
What is a PO420 code on a 1997 Toyota Camry and how do you fix it?
P0420 is the catalyst efficiency code. The most common thing is the catalytic converter itself is no longer functioning properly. The other likely thing is the rear oxygen sensor is no longer working properly.
Toyota dealer checked code PO420 and wants 2K to replace cat Can you use an after-market cat on a 2002 Tacoma v6 engine tag say meets CA and Fed emissions?
yes you can also they are warranted for 8 years or 80k miles whichever comes first
