GDI Fuel Rail Pressure Exceeded Maximum Limit
2011-2015 Ford Explorer 3.5L V6 🇨🇦
Description
The fuel rail pressure has exceeded the maximum safe operating pressure. The pressure relief valve may have activated.
Symptoms
- Check Engine Light
- Fuel smell from engine
- Rough running
- Fuel injector damage risk
- Possible fuel leak at high pressure fittings
- Engine running rich
Common Causes
- Pressure relief valve failure
- Fuel pressure regulator stuck
- High-pressure pump stuck in max output
- Blocked fuel return line
- PCM commanding excessive pressure
Diagnostic Steps
- Read fuel rail pressure PID immediately
- Check if relief valve has opened
- Inspect high-pressure lines for leaks
- Test pressure regulator operation
- Review PCM fuel pressure command
Repair Notes
SAFETY ISSUE - high-pressure fuel leak risk. Replace pressure regulator or relief valve. Inspect all high-pressure fittings for damage or weeping.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P3652 on Other Vehicles
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2021-2024 2.3L I4 EcoBoost
Ford Bronco
2021-2024 2.7L V6 EcoBoost
Ford Bronco Raptor
2022-2024 3.0L V6 EcoBoost
Ford Bronco Sport
2021-2024 1.5L I3 EcoBoost
Ford Bronco Sport
2021-2024 2.0L I4 EcoBoost
Ford Crown Victoria
1998-2011 4.6L V8 Modular 2V
Ford E-150
1997-2014 4.6L V8 Triton
Ford E-150
1997-2014 5.4L V8 Triton
Common Questions
What does code P3652 mean on a 2011-2015 Ford Explorer?
P3652 stands for "GDI Fuel Rail Pressure Exceeded Maximum Limit". The fuel rail pressure has exceeded the maximum safe operating pressure. The pressure relief valve may have activated.
What are the symptoms of P3652 on a Ford Explorer?
Common symptoms of P3652 include: Check Engine Light, Fuel smell from engine, Rough running, Fuel injector damage risk, Possible fuel leak at high pressure fittings, Engine running rich.
What causes P3652 on a 2011-2015 Ford Explorer?
Common causes of P3652 include: Pressure relief valve failure, Fuel pressure regulator stuck, High-pressure pump stuck in max output, Blocked fuel return line, PCM commanding excessive pressure.