VW Diagnostic Trouble Codes (DTCs) ... 16804. 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. 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 VW B5 Passat TDIs This is a general discussion about B5 Passat(>98 (2004-2005 in North America)). P0422. Angezeigt wird Fehlercode 16804 und irgendwas mit kat.

Rebuilt head and straightened out all the vacuum lines, check valves etc. Catalyst System,Bank1 Efficiency Below Threshold: 16806. Fault code question. P0420. After everything was straightened out, had 2 codes coming back consistently. 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. Mehr Infos hab ich von VW leider nicht bekommen. VW Passat B5/3BG 2.8 V6 Variant 4MOTION Test. ... Alle VW Passat B5/3BG Tests. von mb-4matic. Re: Fault code 16804 - Catalyst System – 02-02-2011, 08:46 PM Hi, no I'm still resetting the light every couple of weeks! im Fehlerspeicher, sonst nix weiter. Bank 1, Katalysatorsystem Wirkung zu gering sporadisch. VW Passat 3BG (B5) 1.9 TDI Variant Test. P0427. Bought a 2002 Audi A4 1.8t (AMB) Quattro with tiptronic. Main Catalyst,Bank1 Below Threshold: 16811. 16804. 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+. Head was warped and breather hoses/vacuum lines were a mess. Just got this code - 16804 catalyst system bank 1 efficiency below threshold. Non TDI related postings will be moved or removed. I have 66K on my '02 1.8T GTI and have never changed the 02 sensors.