P1421 Diagnostic Trouble Code Discussion for January 2005
Cold Start Emission Reduction Strategy Monitoring
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P1421
| Help Request | Posted | |
| 1998 BMW 328i 2.8L MIL Lamp on VIN: WBABK8325W P1421: unknown. ... convertible that came in with an mil on and the codes p1421 & p1423. I talked with a few other shops and could not find a description and since the car had no driveability problems we agreed with the customer to clear the codes and let him drive it. Af... |
January 17, 2005 |
