P0431 Diagnostic Trouble Code Discussion for March 2009
Warmup Catalyst System Efficiency Low (Bank 2)
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| Help Request | Posted | |
| 2001 Audi A6 Quattro 2.8L cel VIN: WAUEH64B11 P0431: 16815 Warm Up Catalyst Bank 2 efficiency below threshold. ... reading this. This vehicle came in with a CEL for converter warm up efficinecy below threshold (both banks), light has been on for about a year. O2 sensor signals do not appear lazy. Codes apply to the primary converters right off the manifold, flow of dia... |
March 25, 2009 | |
| 2003 Audi A6 3.0L MIL Lamp on VIN: WAULT64B63 P0431: catalyst inefficient. Looking for some repair info on what needs to be removed in order to replace the catalytic converters. All data has no repair info. Labor shows 5hrs. Do I have to remove the subframe? Any help would be greatly appreciated before I quote the job. Thanks. |
March 26, 2009 |
