I HAD A GARGE CHECK THE CODES WHEN THE CHECK ...

2003 Volkswagen Jetta

Tiny

Anonymous

November, 12, 2012 AT 11:29 PM

I had a garge check the codes when the check engine light came on and they found P0420, catylst efficiency low, bank 1. What does this mean?

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3 Answers

Tiny

Wrenchtech

November, 12, 2012 AT 11:38 PM

99% of the time it means you need a new Catalytic Converter on Bank 1 which may be the only one.

Tiny

caradiodoc

November, 12, 2012 AT 11:39 PM

There's no change in the composition of the exhaust gases taking place in the catalytic converter. Time for a new one.

Tiny

exovcds

November, 13, 2012 AT 12:09 AM

2.0L engine? Burning oil? City driven only?

Thomas

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