What Does P0430 Mean? The Bank 2 Catalytic Converter's emissions reducing efficiency has fallen below the minimum allowable threshold. This...
What Does P0429 Mean? The PCM has detected a catalyst efficiency that is below the normal operating threshold for a specific engine bank. The PCM...
What Does P0428 Mean? The Engine Control Module (ECM) monitors the Catalyst Temperature Sensor Circuit Performance, which measures the...
What Does P0427 Mean? OBD-II Code Catalytic converter temperature sensor failure is defined as a Catalyst Temperature Sensor Circuit Low The...
What Does P0426 Mean? Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking...
What Does P0425 Mean? The PCM has detected a catalyst efficiency that is below the normal operating threshold for a specific engine bank. The PCM...
What Does P0424 Mean? The P0424 code warns that the catalytic converter is not functioning to its normal capacity. This can cause a number of...
What Does P0423 Mean? The Engine Control Module (ECM) monitors the switching frequency ratio of heated oxygen sensors 1 (front O2 sensor) and...
What Does P0422 Mean? The PCM has detected a catalyst efficiency that is below the normal operating threshold for a specific engine bank. The PCM...
What Does P0421 Mean? Code P0421 is triggered when the Bank 1 Warm Up Catalytic Converter's emissions reducing efficiency has fallen below the...
What Does P0420 Mean? The purpose of the catalytic converter is to break down harmful pollutants that are created during the combustion cycle. By...
What Does P0419 Mean? The PCM has detected a problem in the secondary air injection system. The secondary air injection system uses ambient air,...
What Does P0418 Mean? Regarding the P0418 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold...
What Does P0417 Mean? An air pump is used on the vehicle to lower tail pipe emissions on start-up. The Powertrain Control Module (PCM) grounds...
What Does P0416 Mean? The PCM reads the condition of the secondary air injection system in increments of pressure and flow, which translate to...
What Does P0415 Mean? OBD-II Code Powertrain Control Module (PCM) failure is defined as a Secondary Air Injection System Switching Valve "B"...
What Does P0414 Mean? An air pump is used on the vehicle to lower tail pipe emissions on start-up. The Powertrain Control Module (PCM) grounds...
What Does P0413 Mean? P0413 is an OBD-II generic code for a voltage problem with the air injection system. Most systems send voltage readings to...
What Does P0412 Mean? OBD-II Code P0412 is defined as a Secondary Air Injection System Switching Valve "A" Circuit The Secondary Air Injection...
What Does P0411 Mean? The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will...
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