Mazda DTC P1443 – EVAP System Purge Flow Fault
DTC P1443 meaning on Mazda
DTC P1443 on a Mazda indicates an EVAP System Purge Flow Fault. This fault code is triggered when the powertrain control module (PCM) detects a problem with the purge flow in the evaporative emission control system.
Mazda DTC P1443 symptoms
- Check Engine Light (CEL) illuminated
- Decreased fuel efficiency
- Strong fuel odor
Mazda DTC P1443 causes
- Defective purge valve
- Blocked purge line
- Leaking or damaged hoses in the EVAP system
- Faulty charcoal canister
Mazda DTC P1443 seriousness
The DTC P1443 fault code should not be ignored as it can lead to increased emissions, reduced fuel efficiency, and potential damage to other components of the EVAP system.
How to diagnose DTC P1443 on Mazda
- Use an OBD-II scanner to retrieve the fault code and freeze frame data
- Inspect the purge valve for proper operation
- Check for any leaks or damage in the EVAP system hoses
- Test the charcoal canister for functionality
How to fix DTC P1443 on Mazda
- Replace the defective purge valve
- Clean or replace any blocked purge lines
- Repair or replace any damaged hoses in the EVAP system
- Replace the charcoal canister if faulty
How to erase DTC P1443 on Mazda
- After fixing the underlying issue, use an OBD-II scanner to clear the fault code
- Ensure the repair has been successful by checking for any recurring fault codes
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