P1420 Subaru Code - Fuel Tank Pressure Control Solenoid Valve Circuit High
Quick Answer
The Engine Control Module (ECM) monitors the Fuel Tank Pressure Control Solenoid Vale. Common causes include Faulty Fuel Tank Pressure Control Solenoid Valve, Fuel Tank Pressure Control Solenoid Valve harness is open or shorted, Fuel Tank Pressure Control Solenoid Valve 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
- P1420 Subaru indicates Fuel Tank Pressure Control Solenoid Valve Circuit High.
- Common causes
- Common causes include Faulty Fuel Tank Pressure Control Solenoid Valve, Fuel Tank Pressure Control Solenoid Valve harness is open or shorted, Fuel Tank Pressure Control Solenoid Valve 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 P1420 Subaru Description
What are the Possible Causes of the DTC P1420 Subaru?
- Faulty Fuel Tank Pressure Control Solenoid Valve
- Fuel Tank Pressure Control Solenoid Valve harness is open or shorted
- Fuel Tank Pressure Control Solenoid Valve circuit poor electrical connection
How to Fix the DTC P1420 Subaru?
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 P1420 Subaru 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 P1420 Subaru Code
1. What does the OBDII code P1420 mean on a Subaru?
P1420 indicates an issue with the Fuel Tank Pressure Control Solenoid Valve Circuit, specifically a high voltage problem.
2. What are the common symptoms of code P1420 on a Subaru?
Symptoms may include the check engine light turning on, possible fuel odor near the vehicle, reduced fuel efficiency, or difficulty passing emissions tests.
3. What causes the P1420 code to appear on a Subaru?
Common causes include a faulty fuel tank pressure control solenoid valve, damaged wiring or connectors in the circuit, or a malfunctioning engine control module (ECM).
4. Can I drive my Subaru with the P1420 code?
While the vehicle may still be drivable, prolonged use with this code could result in increased emissions and potential damage to the emissions system.
5. How do I diagnose the P1420 code in my Subaru?
Start by inspecting the wiring and connectors to the fuel tank pressure control solenoid valve for damage or corrosion. Use a multimeter to check for voltage and continuity in the circuit.
6. How much does it cost to fix a P1420 code on a Subaru?
The cost can vary, but replacing the fuel tank pressure control solenoid valve typically ranges from $100 to $300, including parts and labor.
7. Can a loose gas cap cause the P1420 code?
While a loose gas cap is unlikely to directly cause the P1420 code, it can trigger other emissions-related codes. Always check the gas cap as part of your diagnosis.
8. How can I fix the P1420 code on my Subaru?
Repairs may include replacing the fuel tank pressure control solenoid valve, repairing or replacing damaged wiring, or, in rare cases, reprogramming or replacing the ECM.
9. Will clearing the P1420 code fix the problem permanently?
Clearing the code will turn off the check engine light temporarily, but if the underlying issue isn’t resolved, the code will likely return.
10. Can a bad ECM cause the P1420 code?
Yes, though it’s less common. If all other components check out, a faulty ECM could be the cause of the P1420 code.
Discuss the causes and fixes for P1420 Subaru OBDII Code
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Hi, i got a Subaru Legacy 2010, is this code applies i just got it. Or is it more the general P1420 for the catalys outake failure?
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The problem is more than likely the Faulty Fuel Tank Pressure Control Solenoid Valve
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