P0507 Pontiac Code - Idle Speed High
Quick Answer
The P0507 diagnostic trouble code for Pontiac vehicles indicates that the idle speed of the engine is higher than the specified RPM range set by the manufacturer. Common causes include Faulty idle air control valve, Dirty or clogged throttle body, Vacuum leaks in the intake system. 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 Pontiac indicates Idle Speed High.
- Common causes
- Common causes include Faulty idle air control valve, Dirty or clogged throttle body, Vacuum leaks in the intake system.
- 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.
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Code P0507 Pontiac Description
The P0507 diagnostic trouble code for Pontiac vehicles indicates that the idle speed of the engine is higher than the specified RPM range set by the manufacturer. This issue can lead to a variety of performance problems and potentially affect the overall drivability of the vehicle. When the idle speed is too high, it can result in excessive fuel consumption, increased emissions, and strain on various engine components. Additionally, it can cause rough idling, stalling, and difficulty shifting gears.
Common Causes of P0507 Pontiac
- Faulty idle air control valve
- Dirty or clogged throttle body
- Vacuum leaks in the intake system
- Malfunctioning engine control module (ECM)
- Issues with the throttle position sensor
Symptoms of P0507 Pontiac
- High idle speed when the vehicle is stationary
- Engine revving excessively when in neutral or park
- Rough idling or shaking at idle
- Poor fuel economy
- Check Engine Light illuminated on the dashboard
How to Fix P0507 Pontiac
- Diagnose the issue by using a scan tool to retrieve the trouble codes and check the engine's idle speed.
- Inspect the idle air control valve and throttle body for any signs of dirt, debris, or damage. Clean or replace these components as needed.
- Check for vacuum leaks in the intake system and repair any damaged hoses or gaskets.
- Test the throttle position sensor and replace it if necessary.
- Reset the ECM and perform an idle relearn procedure to recalibrate the idle speed.
Cost to Fix P0507 Pontiac
The cost of repairing a high idle speed issue on a Pontiac 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. Keep in mind that additional diagnostic time may be needed to pinpoint the exact source of the problem, so it's best to consult with a trusted mechanic for a more accurate estimate.
Tech Notes for P0507 Pontiac
The Powertrain Control Module (PCM) learns the idle position of the throttle plate to ensure the correct idle. Anytime the throttle body is cleaned or replaced, the PCM must learn the new throttle position. The idle may be unstable or a DTC may be set if the throttle position is not learned.
Pontiac Throttle Body Cleaning and Idle Learning Procedure
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