P0507 – Audi DTC

Audi DTC P0507 – Defective/sticking Idle Air Control Motor, Intake Manifold Vacuum leaks, Carbon buildup in the Throttle Body air passages, Defective Coolant Temperature Sensor, Defective Charging System/Alternator, Defective Power Steering Pressure Switch

DTC P0507 meaning on Audi

DTC P0507 indicates that the engine control module (ECM) has detected a high idle speed condition. This code is triggered when the actual engine RPM exceeds the desired RPM by a certain threshold. The idle air control (IAC) system is responsible for regulating the engine’s idle speed, and any malfunction can lead to this diagnostic trouble code.

Audi DTC P0507 symptoms

Common symptoms associated with DTC P0507 may include:

• Increased engine idle speed
• Rough idling or engine stalling
• Check Engine Light illuminated
• Poor fuel economy
• Unresponsive throttle

Audi DTC P0507 causes

Several factors can contribute to the triggering of DTC P0507, including:

• Defective or sticking idle air control motor
• Intake manifold vacuum leaks
• Carbon buildup in the throttle body air passages
• Defective coolant temperature sensor
• Defective charging system or alternator
• Defective power steering pressure switch

Audi DTC P0507 seriousness

DTC P0507 can be serious as it may lead to poor engine performance and drivability issues. If left unaddressed, it can result in:

• Increased emissions
• Potential engine damage
• Safety concerns due to unexpected engine behavior

How to diagnose DTC P0507 on Audi

To diagnose DTC P0507, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC P0507.
2. Inspect the idle air control motor for proper operation.
3. Check for vacuum leaks in the intake manifold and associated hoses.
4. Examine the throttle body for carbon buildup and clean if necessary.
5. Test the coolant temperature sensor for accurate readings.
6. Inspect the charging system and alternator for proper voltage output.
7. Check the power steering pressure switch for functionality.

How to fix DTC P0507 on Audi step-by-step instructions

To fix DTC P0507, follow these step-by-step instructions:

1. Clear the DTC using an OBD-II scanner.
2. Inspect and replace the idle air control motor if defective.
3. Repair any vacuum leaks found in the intake manifold.
4. Clean the throttle body and air passages to remove carbon buildup.
5. Replace the coolant temperature sensor if faulty.
6. Test and replace the alternator if it is not charging properly.
7. Replace the power steering pressure switch if it is defective.
8. Recheck for DTCs after repairs and ensure the engine runs smoothly.

How to erase DTC P0507 on Audi

To erase DTC P0507, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the DTC menu on the scanner.
4. Select the option to clear or erase the trouble codes.
5. Confirm the action and wait for the scanner to complete the process.
6. Disconnect the scanner and start the engine to verify that the code does not return.

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