P0422 Diagnostic Trouble Code Discussion for October 2013
Catalyst Efficiency Below Normal (Bank 1)
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| Help Request | Posted | |
| 2003 Volkswagen Passat GL 2.8L Misfire cyl #3 VIN: WVWTH63B63 P0422: Cat converter efficiency b2. THIS 2.8L V6 HAD A CONSISTENT MISFIRE AT IDLE ON CYL#3. THE MISFIRE COUNTER JUST KEPT COUNTING UP ON THE VAG-COM AS THE ENGINE SAT IN THE SHOP BAY RUNNING AT IDLE. WE SWAPPED THE SPARK PLUGS, FUEL INJECTORS, CHECKED THE COMPRESSION AND THE FUEL PRESSURE, SMOKE... |
October 08, 2013 |
