Dodge DTC P1476 – Too Little Secondary Air
DTC P1476 meaning on Dodge
DTC P1476 on a Dodge vehicle indicates a fault related to “Too Little Secondary Air.” This diagnostic trouble code is specific to the secondary air injection system, which is responsible for reducing emissions by introducing fresh air into the exhaust system to help burn off any remaining fuel.
Dodge DTC P1476 symptoms
Symptoms of DTC P1476 on a Dodge may include:
- Check Engine Light illuminated
- Decreased engine performance
- Inefficient fuel consumption
Dodge DTC P1476 causes
Common causes of DTC P1476 on a Dodge include:
- Faulty secondary air injection pump
- Blocked or restricted secondary air injection system
- Wiring or connector issues in the secondary air system
Dodge DTC P1476 seriousness
While DTC P1476 may not cause immediate drivability issues, it is important to address this fault promptly to ensure proper emissions control and overall engine performance.
How to diagnose DTC P1476 on Dodge
To diagnose DTC P1476 on a Dodge, a mechanic may perform the following steps:
- Use a scan tool to retrieve the fault code and freeze frame data
- Inspect the secondary air injection system components for any visible damage or blockages
- Test the secondary air injection pump and associated wiring for proper operation
How to fix DTC P1476 on Dodge
To fix DTC P1476 on a Dodge, the following steps may be taken:
- Replace a faulty secondary air injection pump if necessary
- Clean or replace any blocked or restricted components in the secondary air system
- Repair any damaged wiring or connectors in the secondary air system
How to erase DTC P1476 on Dodge
After addressing the underlying issue causing DTC P1476 on a Dodge, the fault code can be erased using a scan tool capable of clearing diagnostic trouble codes.