Vag-Com?
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Joined: Oct 2010
Posts: 2
Vag-Com?
Hello everyone I have a 2000 Jetta GLI Vr6, recently my emission workshop light/check engine light came on. I would like to scan it myself with this vag-com you guys are talking about. With this can I monitor output pid's? I know I need a cable will one of these work? http://cgi.ebay.com/ebaymotors/USB-O...#ht_4498wt_939 How many different softwares are out there? Where can I get them? Thanks in advance.
Super Moderator
Joined: Sep 2009
Posts: 2,648
From: Stoke on Trent, England
Sorry if this is an old thread but
VAG Error Code: 16804
As taken from my Free EOBD II Error Codes software
VAG Error Code: 16804
EOBD II Error Code: P0420
Fault Location:
Catalytic converter system, bank 1 - efficiency below threshold
Catalytic converter system, bank 1 - efficiency below threshold
Possible Cause:
Malfunction indicator lamp (MIL) No Emission Fault - No warning light.
Catalytic converter.
Wiring.
Heated oxygen sensor (HO2S) 2.
Malfunction indicator lamp (MIL) No Emission Fault - No warning light.
Catalytic converter.
Wiring.
Heated oxygen sensor (HO2S) 2.
Possible Solutions:
Check for exhaust leaks at the manifold, pipes, catalytic converter. Repair as required.
Use a scope to diagnose the oxygen sensor operation (Tip: The oxygen sensor in front of the catalytic converter normally
has a fluctuating waveform. The waveform of the sensor behind the converter should be more steady).
Inspect the downstream heated oxygen sensor (HOS2), replace if necessary.
Replace the catalytic converter.
Check for exhaust leaks at the manifold, pipes, catalytic converter. Repair as required.
Use a scope to diagnose the oxygen sensor operation (Tip: The oxygen sensor in front of the catalytic converter normally
has a fluctuating waveform. The waveform of the sensor behind the converter should be more steady).
Inspect the downstream heated oxygen sensor (HOS2), replace if necessary.
Replace the catalytic converter.
Special Notes:
For 1.8T's experiencing this fault code, this thread may be useful: http://forums.vwvortex.com/zerothread?id=663057
For 1.8T's experiencing this fault code, this thread may be useful: http://forums.vwvortex.com/zerothread?id=663057
As taken from my Free EOBD II Error Codes software
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