P1423 Diagnostic Trouble Code Discussion for November 2009
Fuel Tank Large Leak
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| Help Request | Posted | |
| 2001 Audi Allroad Quattro 2.7L MIL Lamp on VIN: WAUYP64B41 P1423: Secondary Air Injection low flow Bank 1. I have a recurring fault P1423 and P1411. Secondary air injection, low flow, Bank 1 and Bank 2. I can force the test and it always passes but when it runs it's self it fails. There are no vacuum leaks in the system. Usually, in group 77, I see a data block ref... |
November 05, 2009 | |
| 2000 Volkswagen Passat 4 Motion 2.8L MIL Lamp on VIN: WVWTH23BXY P1423: secondary air managment system. originally vehicle came in with a p0420 code (cat efficency)we replaced cats and o2's at that time and proceeded to do maint t-belt replacement. also did tune up and have used only factory parts including vw cats and o2 sensors. cat codes went away but air inj... |
November 20, 2009 |
