VW B5 Passat TDIs This is a general discussion about B5 Passat(>98 (2004-2005 in North America)). Angezeigt wird Fehlercode 16804 und irgendwas mit kat. Mehr Infos hab ich von VW leider nicht bekommen. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Catalyst System,Bank1 Efficiency Below Threshold: 16806. VW Diagnostic Trouble Codes (DTCs) ... 16804. Re: Fault code 16804 - Catalyst System – 02-02-2011, 08:46 PM Hi, no I'm still resetting the light every couple of weeks! Just got this code - 16804 catalyst system bank 1 efficiency below threshold. 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 Head was warped and breather hoses/vacuum lines were a mess. Bought a 2002 Audi A4 1.8t (AMB) Quattro with tiptronic. P0422. I have 66K on my '02 1.8T GTI and have never changed the 02 sensors. Bank 1, Katalysatorsystem Wirkung zu gering sporadisch. P0427. Non TDI related postings will be moved or removed. VW Passat 3BG (B5) 1.9 TDI Variant Test. 16804. P0420. Check here for special coupons and promotions.

Rebuilt head and straightened out all the vacuum lines, check valves etc.

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. Fault code question. 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. von mb-4matic. im Fehlerspeicher, sonst nix weiter. After everything was straightened out, had 2 codes coming back consistently. Main Catalyst,Bank1 Below Threshold: 16811. VW Passat B5/3BG 2.8 V6 Variant 4MOTION Test. ... Alle VW Passat B5/3BG Tests.