CHECK ENGINE LIGHT CODE PO420

2007 Toyota Corolla

Tiny

carsale2012

February, 24, 2012 AT 1:30 AM

My 2007 Toyota Corolla CE (65K miles) has a check engine light code PO420 and engine eating oil. Please help me, what need to do. 2007 Toyota Corolla CE
65K miles

FOUND 17085 RELATED QUESTIONS

1 Answer

Tiny

mmprince4000

February, 24, 2012 AT 12:49 PM

The code indicates the convertor effeciency is below desired parameters.

IF is not leaking oil, then it is burning it and that will cause the convertor to clog.

Start by checking compression.

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