Re: Fault code 16804 - Catalyst System – 02-02-2011, 08:46 PM Hi, no I'm still resetting the light every couple of weeks! VW B5 Passat TDIs This is a general discussion about B5 Passat(>98 (2004-2005 in North America)). 16804.

Fault code question. Angezeigt wird Fehlercode 16804 und irgendwas mit kat. P0422. Main Catalyst,Bank1 Below Threshold: 16811. so far i have replaced both sensors and the cat all audi parts still the same problem so i hope you have more luck than me. VW Passat B5/3BG 2.8 V6 Variant 4MOTION Test. VW Diagnostic Trouble Codes (DTCs) ... 16804. Mehr Infos hab ich von VW leider nicht bekommen. von mb-4matic. Catalyst System,Bank1 Efficiency Below Threshold: 16806. I have 66K on my '02 1.8T GTI and have never changed the 02 sensors. Just got this code - 16804 catalyst system bank 1 efficiency below threshold. P0427. Zdravím chlapi, na mém passatovi se stále opakuje chyba 16804, účinnost katalyzátoru je pod prahovou hodnotou (1. řada válců) ,chyba se po smazání objeví někdy po 300km ,někdy po 800km ,jízdně mi příjde že jede normálně, jen do 2500 ot/min že méně táhne ,od této hranice
Non TDI related postings will be moved or removed. ... Alle VW Passat B5/3BG Tests. Head was warped and breather hoses/vacuum lines were a mess. Bought a 2002 Audi A4 1.8t (AMB) Quattro with tiptronic. im Fehlerspeicher, sonst nix weiter. Check here for special coupons and promotions. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Order CV Half Shaft for your 2004 Volkswagen Passat and pick it up in store—make your purchase, find a store near you, and get directions. After everything was straightened out, had 2 codes coming back consistently. Rebuilt head and straightened out all the vacuum lines, check valves etc. Bank 1, Katalysatorsystem Wirkung zu gering sporadisch. VW Passat 3BG (B5) 1.9 TDI Variant Test. P0420.