Search Results

  1. GENERIC P0420

P0420 / ROVER

Catalyst Efficiency Low Fault Bank A

Notes:

P0420 / MOPAR

CATALYST EFFICIENCY (BANK 1)

Notes:

P0420 / JEEP

CATALYST 1/1 EFFICIENCY

Notes:

P0420 / GENERIC

Catalyst System Efficiency Below Threshold (Bank 1)

Notes:

© obd-2-codes.com | Created with

NOTE: Results from this database are the beginning of the diagnostic process, further investigation should be performed to confirm results before you begin repairs.