P1486 Mitsubishi Code - EVAP Leak Monitor Pinched Hose Found
Quick Answer
The Evaporative emissions system is designed to prevent the escape of fuel vapors from the fuel system. Common causes include Faulty Vent Solenoid, Vent Solenoid harness is open or shorted, Vent Solenoid circuit poor electrical connection. 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
- P1486 Mitsubishi indicates EVAP Leak Monitor Pinched Hose Found.
- Common causes
- Common causes include Faulty Vent Solenoid, Vent Solenoid harness is open or shorted, Vent Solenoid circuit poor electrical connection.
- 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 P1486 Mitsubishi Description
During the self-diagnostics, the Powertrain Control Module (PCM) first checks the Leak Detection Pump (LDP) for electrical and mechanical faults. If the first checks pass, the PCM then uses the LDP to seal the vent valve and pump air into the system to pressurize it. If a leak is present, the PCM will continue pumping the LDP to replace the air that leaks out. The PCM determines the size of the leak based on how fast/long it must pump the LDP as it tries to maintain pressure in the system.
What are the Possible Causes of the DTC P1486 Mitsubishi?
- Faulty Vent Solenoid
- Vent Solenoid harness is open or shorted
- Vent Solenoid circuit poor electrical connection
- Clogged or pinched line between vent solenoid and fuel tank
- Saturated or plugged EVAP Canister
- Faulty FTP sensor
How to Fix the DTC P1486 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 P1486 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 P1486 Mitsubishi Code
1. What does the OBDII code P1486 mean on a Mitsubishi?
P1486 indicates that the EVAP (Evaporative Emission Control) system has detected a pinched or restricted hose, which is preventing proper vapor flow.
2. What are the symptoms of code P1486 in a Mitsubishi?
Common symptoms include the check engine light turning on, possible fuel odor near the vehicle, and issues during emissions testing.
3. What causes the P1486 code to appear?
This code is typically caused by a pinched, kinked, or damaged EVAP system hose, improper hose routing, or debris blocking the hose.
4. Can I drive my Mitsubishi with the P1486 code?
Yes, you can drive with this code, but it may lead to increased emissions and could fail an emissions test. It’s best to address the issue promptly.
5. How do I fix the P1486 code on a Mitsubishi?
Inspect the EVAP system hoses for pinches, kinks, or damage, and repair or replace them as needed. Ensure the hoses are correctly routed.
6. How is the P1486 code diagnosed?
A mechanic will visually inspect the EVAP hoses, use a smoke machine to detect leaks or restrictions, and verify proper flow within the system.
7. Can a loose gas cap cause the P1486 code?
No, a loose gas cap typically triggers a different EVAP-related code, such as P0442 or P0455. P1486 specifically relates to a pinched or restricted hose.
8. What tools are needed to repair the P1486 code?
Common tools include a flashlight for inspection, pliers for hose adjustments, and possibly a smoke machine to test the EVAP system for restrictions.
9. How much does it cost to fix the P1486 code?
Repair costs vary, but fixing or replacing a damaged EVAP hose typically costs between $50 and $150, depending on labor rates and parts.
10. Can the P1486 code cause damage to my Mitsubishi?
While it won’t directly harm your vehicle, ignoring the issue can lead to increased emissions and might cause problems passing a smog test.
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