Hyundai DTC P1159 – Intake manifold air control, target position – malfunction
DTC P1159 meaning on Hyundai
DTC P1159 for Hyundai refers to the Intake Manifold Air Control (IMAC) target position malfunction. This diagnostic trouble code indicates that there is an issue with the target position of the IMAC system.
Hyundai DTC P1159 symptoms
Symptoms of DTC P1159 on a Hyundai may include:
- Check Engine Light illuminated on the dashboard
- Reduced engine performance
- Engine stalling or rough idling
- Poor fuel efficiency
Hyundai DTC P1159 causes
Common causes of DTC P1159 on a Hyundai include:
- Malfunctioning Intake Manifold Air Control (IMAC) actuator
- Wiring or connector issues in the IMAC system
- IMAC sensor failure
- Vacuum leaks in the intake system
Hyundai DTC P1159 seriousness
DTC P1159 should not be ignored as it can lead to poor engine performance and reduced fuel efficiency. Continuing to drive with this fault may cause further damage to the engine components.
How to diagnose DTC P1159 on Hyundai
To diagnose DTC P1159 on a Hyundai, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the IMAC actuator, wiring, and connectors for any visible damage
- Check for vacuum leaks in the intake system
- Test the IMAC sensor for proper operation
How to fix DTC P1159 on Hyundai
To fix DTC P1159 on a Hyundai, the following steps may be taken:
- Replace the faulty IMAC actuator
- Repair or replace any damaged wiring or connectors in the IMAC system
- Address any vacuum leaks in the intake system
- Replace the defective IMAC sensor
How to erase DTC P1159 on Hyundai
After fixing the underlying issue causing DTC P1159 on a Hyundai, the fault code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and turn off the Check Engine Light.
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