P0507 Buick Code - Idle Speed High
Quick Answer
When the diagnostic trouble code P0507 appears on a Buick vehicle, it indicates that the engine's idle speed is higher than the manufacturer's specified limit. Common causes include Malfunctioning idle air control valve, Vacuum leaks in the intake system, Dirty or faulty throttle body. 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
- P0507 Buick indicates Idle Speed High.
- Common causes
- Common causes include Malfunctioning idle air control valve, Vacuum leaks in the intake system, Dirty or faulty throttle body.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0507 Buick Description
When the diagnostic trouble code P0507 appears on a Buick vehicle, it indicates that the engine's idle speed is higher than the manufacturer's specified limit. Idle speed refers to the rotational speed at which the engine operates when the vehicle is stationary and the driver is not pressing the accelerator pedal. The idle speed is controlled by the engine control module (ECM) and is crucial for smooth operation, fuel efficiency, and emissions control.
Common Causes of P0507 Buick
- Malfunctioning idle air control valve
- Vacuum leaks in the intake system
- Dirty or faulty throttle body
- Stuck throttle plate
- Issues with the engine control module (ECM)
Symptoms of P0507 Buick
- Rough idling or erratic engine speed
- Engine stalling at idle
- Increased fuel consumption
- Check Engine Light illuminated on the dashboard
How to Fix P0507 Buick
- Perform a thorough inspection of the idle air control valve and clean or replace it if necessary.
- Check for any vacuum leaks in the intake system and repair or replace damaged hoses or gaskets.
- Clean the throttle body to remove any dirt or debris that may be causing the high idle speed.
- Inspect the throttle plate for any obstructions or sticking issues and address them accordingly.
- Reset the ECM and perform a throttle body relearn procedure to recalibrate the idle speed.
Cost to Fix P0507 Buick
The cost of repairing a high idle speed issue on a Buick can vary depending on the specific cause of the problem and the labor rates in your area. On average, you can expect to pay anywhere from $100 to $500 for parts and labor to address this issue. It's recommended to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your vehicle's make and model. Keep in mind that diagnostic time and labor rates can affect the overall cost of the repair.
Tech Notes for P0507 Buick
The Engine Control Module (ECM) learns the idle position of the throttle plate to ensure the correct idle. Anytime the throttle body is cleaned or replaced, the ECM must learn the new throttle position. The idle may be unstable or a DTC may be set if the throttle position is not learned.
Buick Throttle Body Cleaning and Idle Learning Procedure
Need more information about the P0507 Buick code?
Need more information on how to fix the P0507 Buick code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0507 Buick code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0507 Buick Code
No Frequently Asked Questions about P0507 Buick Code found.
Discuss the causes and fixes for P0507 Buick OBDII Code
Code P0507 Buick comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.