2009 Dodge Nitro
Mileage
114,767
Service Date
3/26/2025
Services Performed
- Perform Courtesy Inspection of vehicle and list any findings
- ECM codes -P0420 Catalyst Efficiency Bank 1. -P0457 EVAP System loose fuel cap. -P0456 EVAP System small leak. -Disconnected EVAP purge valve and checked function, works properly. -Smoked EVAP system and found smoke coming out by canister. -Located ESIM module, disconnected and removed from canister. -Connector has provided ground and reference voltage signals. -Back side of connector on ESIM module is corroded and split, diaphragm inside no longer seals properly. ****Recommend replacing the ESIM module. -Viewed data on scan tool to observe oxygen sensor activity. – Both upstream sensors seems to read properly, constantly switching high to low. -Bank 1 down stream sensor reads improperly, high to low, where it should read a fairly steady value. -Both bank 1 oxygen sensors look to have been replaced recently. -With the downstream sensor reading this way, that is indicating the the bank 1 catalytic converter is beginning to fail. -Both catalytic converters are part of the y-pipe and would require replacement of the complete y-pipe to correct.
Johnathan B. gave our service a 5 star review on 3/26/2025