14.02.2016 Views

Bentley Volkswagen.Golf.Jetta.R32.Official.Factory.Repair.Manual.1999-2005

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

DTC table: SAE P0 codes<br />

Página 21 de 29<br />

01-49<br />

DTC code DTC text Corrective action<br />

SAE<br />

VAG<br />

P0420 16804 Bank 1 Three Way<br />

Catalytic Converter<br />

(TWC) system<br />

Efficiency too low<br />

- Check Oxygen Sensor (O2S) and Oxygen<br />

Sensor (O2S) control before Three Way<br />

Catalytic Converter (TWC) Page 24-131<br />

- Check Oxygen Sensor (O2S) and Oxygen<br />

Sensor (O2S) control after Three Way<br />

Catalytic Converter (TWC) Page 24-140<br />

- Check Oxygen Sensor (O2S) aging before<br />

Three Way Catalytic Converter (TWC)<br />

Page 24-150<br />

- Check Oxygen Sensor (O2S) aging after<br />

Three Way Catalytic Converter (TWC)<br />

Page 24-154<br />

P0422 16806 Bank 1 main Three<br />

Way Catalytic<br />

Converter (TWC)<br />

Efficiency too low<br />

- Check Three Way Catalytic Converter<br />

(TWC):<br />

<strong>Repair</strong> Manual, 2.8 Liter VR6 4V Engine<br />

Mechanical, Engine Code(s): BDF; <strong>Repair</strong><br />

Group 26<br />

Note:<br />

If this malfunction is detected on its own i.e. no Oxygen Sensor (O2S) or control<br />

malfunction, then the Three Way Catalytic Converter (TWC) must be checked for<br />

damage and replaced if necessary.<br />

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...<br />

12/2/<strong>2005</strong>

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!