Mazda DTC P1122 – Throttle Position Stuck Closed
DTC P1122 meaning on Mazda
DTC P1122 for Mazda indicates an issue with the throttle position sensor (TPS) that is stuck closed. The TPS is responsible for monitoring the position of the throttle valve and sending this information to the engine control module (ECM).
Mazda DTC P1122 symptoms
- Reduced engine power
- Poor acceleration
- Engine stalling
- Difficulty maintaining speed
- Check Engine Light (CEL) illuminated
Mazda DTC P1122 causes
- Faulty throttle position sensor
- Stuck throttle valve
- Wiring or connector issues in the TPS circuit
- ECM malfunction
Mazda DTC P1122 seriousness
The DTC P1122 on a Mazda should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this code may result in further damage to engine components.
How to diagnose DTC P1122 on Mazda
- Use a diagnostic scanner to retrieve the trouble codes
- Inspect the throttle position sensor and wiring for any visible damage
- Test the TPS using a multimeter to check for proper voltage readings
- Check the throttle valve for any obstructions or sticking
- Verify the ECM functionality by performing a thorough inspection
How to fix DTC P1122 on Mazda
- Replace the throttle position sensor if faulty
- Clean or replace the throttle valve if stuck
- Repair any damaged wiring or connectors in the TPS circuit
- If the ECM is determined to be the issue, it may need to be reprogrammed or replaced
How to erase DTC P1122 on Mazda
- After addressing the root cause of the DTC P1122, use a diagnostic scanner to clear the trouble codes
- Ensure that the repair has resolved the issue before clearing the codes
- Once the codes are cleared, test drive the vehicle to confirm that the problem no longer persists
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