P1120 – Infiniti DTC

Infiniti DTC P1120 – Secondary Throttle Position Sensor (STPS)

DTC P1120 meaning on Infiniti

The DTC P1120 on an Infiniti indicates an issue with the Secondary Throttle Position Sensor (STPS). This sensor is responsible for monitoring the position of the secondary throttle plate in the throttle body.

Infiniti DTC P1120 symptoms

Common symptoms associated with DTC P1120 on an Infiniti may include:

• Check Engine Light illuminated
• Reduced engine performance
• Engine hesitation or stalling

Infiniti DTC P1120 causes

The DTC P1120 on an Infiniti may be triggered by various factors, including:

• Failed Secondary Throttle Position Sensor (STPS)
• Wiring or connector issues related to the STPS
• Throttle body problems

Infiniti DTC P1120 seriousness

While the DTC P1120 may not always result in immediate drivability issues, it is important to address this problem promptly to prevent potential engine performance issues and further damage.

How to diagnose DTC P1120 on Infiniti

Diagnosing DTC P1120 on an Infiniti typically involves the following steps:

1. Use a scan tool to retrieve the trouble codes
2. Inspect the wiring and connectors related to the STPS
3. Test the STPS for proper operation

How to fix DTC P1120 on Infiniti

To fix DTC P1120 on an Infiniti, you may need to:

1. Replace the faulty Secondary Throttle Position Sensor (STPS)
2. Repair any damaged wiring or connectors
3. Clean or replace the throttle body if necessary

How to erase DTC P1120 on Infiniti

To erase the DTC P1120 code on an Infiniti, you can: