P2407 Code - Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent/Erratic
Quick Answer
The diagnostic trouble code P2407 indicates a malfunction in the Evaporative Emission System Leak Detection Pump Sense Circuit, specifically detecting an intermittent or erratic signal. Common causes include Faulty Evaporative Emission System Leak Detection Pump, Damaged wiring or connectors in the sense circuit, Corrosion or debris in the connections. 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
- P2407 indicates Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent/Erratic.
- Common causes
- Common causes include Faulty Evaporative Emission System Leak Detection Pump, Damaged wiring or connectors in the sense circuit, Corrosion or debris in the connections.
- 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 P2407 Description
The diagnostic trouble code P2407 indicates a malfunction in the Evaporative Emission System Leak Detection Pump Sense Circuit, specifically detecting an intermittent or erratic signal. The Evaporative Emission System is responsible for capturing and storing fuel vapors that would otherwise be released into the atmosphere, reducing harmful emissions from the vehicle. The Leak Detection Pump (LDP) is a key component of this system, monitoring the pressure and integrity of the system to ensure there are no leaks. When the sense circuit of the LDP experiences intermittent or erratic signals, it can lead to improper operation of the Evaporative Emission System, potentially causing increased emissions and decreased fuel efficiency.
Common Causes of P2407
- Faulty Evaporative Emission System Leak Detection Pump.
- Damaged wiring or connectors in the sense circuit.
- Corrosion or debris in the connections.
- Loose fuel cap leading to pressure fluctuations.
- Issues with the powertrain control module (PCM).
Symptoms of P2407
- Check Engine Light illuminated on the dashboard.
- Poor fuel efficiency.
- Strong fuel odor near the vehicle.
- Failed emissions test.
- Rough idle or stalling when coming to a stop.
How to Fix P2407
- Diagnose the specific cause of the code using a diagnostic scan tool.
- Inspect the wiring and connectors in the sense circuit for any damage or corrosion.
- Test the Evaporative Emission System Leak Detection Pump for proper functionality.
- Replace the faulty components, such as the pump or damaged wiring.
- Clear the trouble code from the PCM and perform a test drive to ensure the issue has been resolved.
Cost to Fix P2407
The cost of repairing a P2407 code can vary depending on the specific cause of the issue and the make and model of the vehicle. On average, the repair cost for this issue can range from $100 to $300, including parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can fluctuate based on various factors. It is recommended to consult with a trusted mechanic or auto repair shop for an accurate estimate tailored to your vehicle and location.
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Code P2407 Information for Specific Makes
- P2407 Dodge — Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent/Erratic
- P2407 Volvo — Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent/Erratic
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