I just purchased a 2002 E320 MBZ. The engine light cammeon onday 3. Codes read and they are PO432 &Po422> What can I do to resolve this?

Asked by Jun 10, 2015 at 07:08 PM about the 2002 Mercedes-Benz E-Class E 320

Question type: Maintenance & Repair

The dealer put regular gas in it.

3 Answers

18,190

First you have to found out what the codes mean and most parts stores like auto zone and other will diagnosis and tell you what the codes mean for free.

200

Those are catalytic converter codes. Basically, you need new catalyitc converter.

3,415

catalytic converter, wiring, ho2s2. thats the causes.

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