P1507 Mitsubishi Code - Idle Control System RPM Higher Than Expected At Low Temperature
Quick Answer
P1507 Mitsubishi indicates Idle Control System RPM Higher Than Expected At Low Temperature. Common causes include Faulty Idle Air Control (IAC) valve, Dirty Idle Air Control (IAC) valve / Throttle Body, Idle Air Control (IAC) valve harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1507 Mitsubishi indicates Idle Control System RPM Higher Than Expected At Low Temperature.
- Common causes
- Common causes include Faulty Idle Air Control (IAC) valve, Dirty Idle Air Control (IAC) valve / Throttle Body, Idle Air Control (IAC) valve harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1507 Mitsubishi Description
What are the Possible Causes of the DTC P1507 Mitsubishi?
- Faulty Idle Air Control (IAC) valve
- Dirty Idle Air Control (IAC) valve / Throttle Body
- Idle Air Control (IAC) valve harness is open or shorted
- Idle Air Control (IAC) valve circuit poor electrical connection
How to Fix the DTC P1507 Mitsubishi?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1507 Mitsubishi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1507 Mitsubishi Code
1. What does the OBDII code P1507 mean for a Mitsubishi?
P1507 indicates that the Idle Control System RPM is higher than expected, typically occurring at low temperatures.
2. What are the common symptoms of a P1507 code in a Mitsubishi?
Symptoms include a high idle speed, rough idle, increased fuel consumption, and potentially the check engine light illuminating.
3. What causes the P1507 code in a Mitsubishi vehicle?
Common causes include a malfunctioning idle air control (IAC) valve, vacuum leaks, dirty throttle body, or issues with the engine coolant temperature sensor.
4. Can a vacuum leak trigger the P1507 code?
Yes, a vacuum leak can cause unregulated air intake, leading to a higher-than-expected idle RPM and triggering the P1507 code.
5. How can I fix the P1507 code on my Mitsubishi?
Repairs may include cleaning or replacing the idle air control valve, fixing vacuum leaks, cleaning the throttle body, or addressing any faulty sensors.
6. Is the P1507 code serious?
While the vehicle may still be driveable, ignoring the P1507 code can lead to poor fuel economy, engine performance issues, and potential damage over time.
7. How do I diagnose the P1507 code on a Mitsubishi?
Diagnosis involves scanning for additional codes, inspecting the IAC valve, checking for vacuum leaks, and testing the throttle body and related sensors.
8. Can a dirty throttle body cause the P1507 code?
Yes, a dirty or clogged throttle body can restrict airflow, leading to an imbalance in the idle control system and triggering the code.
9. Is the engine coolant temperature sensor related to the P1507 code?
Yes, a faulty engine coolant temperature sensor can give incorrect temperature readings, affecting idle speed and causing the code.
10. Can I drive with the P1507 code on my Mitsubishi?
You can drive the vehicle, but it’s recommended to address the issue promptly to avoid further problems with idle control or engine performance.
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