http://Passat.autoboardz.com/E36-P1421-P1423-codes-ftopict187655.html (E36 P1421 P1423 codes)
1998 E36 M3 check engine light came on a few weeks ago Autozone code reader found P1421 & P1423: BMW specific codes A search of the net finds that these codes indicate low oxygen in both exhaust man..
« While I agree with you completely that electronic woes can often be resolved by simply unplugging things and plugging them back in, you c.. »
« derek_mcquarrie: On mine ('99 328is E36 2-door) the vacuum hoses that actuate the valve on the exhaust manifold had rotted, causing the va.. »
« P1421 and P1432? (not P1423) These codes say that the secondary air system is not working correctly. The secondary air is the Air Pump an.. »
http://Passat.autoboardz.com/P1423-code-2003-VW-Passat-ftopict250027.html (P1423 code on 2003 VW Passat)
I have the MIL light on and the VW dealership ( who blew the engine on our 2003 Beetle) said it was code P1423 and could cost up to $1900.00. I've read on forums that it could be a cracked or broken..
>> Stay informed about: P1423 VW Passat