Check engine light code PO420

Tiny
CARSALE2012
  • MEMBER
  • 2007 TOYOTA COROLLA
  • 65,000 MILES
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
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Friday, February 24th, 2012 AT 1:30 AM

1 Reply

Tiny
MMPRINCE4000
  • EXPERT
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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Friday, February 24th, 2012 AT 12:49 PM

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