P0421 Warm Up Catalyst Efficiency Below ThresholdTechnical DescriptionWarm Up Catalyst Efficiency Below Threshold (Bank 1)What does that mean?This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. Although generic, the specific ...
P0152 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) P0155 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) P0156 O2 Sensor Circuit Malfunction (Bank 2 Sensor...
P0420 Catalyst System Efficiency Below Threshold (Bank 1) P0421 Warm Up Catalyst Efficiency Below Threshold (Bank 1) P0422 Main Catalyst Efficiency Below Threshold (Bank 1) P0423 Heated Catalyst Efficiency Below Threshold (Bank 1) P0424 Heated Catalyst Temperature Below Threshold (Bank 1) ...
2002 mazda 626, 4cyl failed emission with code, p0421 warm up catalst efficiency below threshold bank 1. Can you advise of the proper repair, I am in urgent need of a response, than you. #46 - simeon f sealey - 07/25/2010 - 08:36...
(AIR) Pump Relay Control Circuit Bank 2 P0420 – Catalyst System Low Efficiency P0421 – Warm Up Catalyst Efficiency Below Threshold (Bank 1) P0422 – Catalyst System Low Efficiency Bank 1 P0423 – Heated Catalyst Efficiency Below Threshold (Bank 1) P0424 – Heated Catalyst Temperature Below...
Catalyst System Efficiency Below Threshold (Bank 1) Warm Up Catalyst Efficiency Below Threshold (Bank 1) Main Catalyst Efficiency Below Threshold (Bank 1) Heated Catalyst Efficiency Below Threshold (Bank 1) Heated Catalyst Temperature Below Threshold (Bank 1) Catalyst Temperature Sensor (Bank 1) ...