P1155 Chrysler Code - Fuel Rail Pressure Malfunction Rail Pressure Is Too High
Quick Answer
The P1155 Chrysler diagnostic trouble code (DTC) indicates a fuel rail pressure malfunction where the rail pressure is too high. Common causes include Faulty fuel pressure regulator, Clogged fuel filter, Malfunctioning fuel pump. 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
- P1155 Chrysler indicates Fuel Rail Pressure Malfunction Rail Pressure Is Too High.
- Common causes
- Common causes include Faulty fuel pressure regulator, Clogged fuel filter, Malfunctioning fuel pump.
- 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 P1155 Chrysler Description
The P1155 Chrysler diagnostic trouble code (DTC) indicates a fuel rail pressure malfunction where the rail pressure is too high. This means that the fuel rail, which is responsible for delivering pressurized fuel to the fuel injectors, is experiencing abnormally high pressure levels. This issue can have a significant impact on the vehicle's performance, fuel efficiency, and overall drivability.
Common Causes of P1155 Chrysler
- Faulty fuel pressure regulator
- Clogged fuel filter
- Malfunctioning fuel pump
- Issues with the fuel injectors
Symptoms of P1155 Chrysler
- Decreased fuel efficiency
- Engine misfires or rough idling
- Difficulty starting the engine
- Check engine light illuminated on the dashboard
How to Fix P1155 Chrysler
- Diagnose the issue using a scan tool to confirm the P1155 code and pinpoint the exact cause of the high fuel rail pressure.
- Inspect the fuel pressure regulator, fuel filter, fuel pump, and fuel injectors for any signs of damage or malfunction.
- Replace any faulty components identified during the inspection, such as the fuel pressure regulator, fuel filter, fuel pump, or fuel injectors.
- Clear the DTC from the vehicle's computer using a scan tool and test drive the vehicle to ensure that the issue has been resolved.
- Monitor the fuel rail pressure levels after the repair to verify that they are within the acceptable range.
Cost to Fix P1155 Chrysler
The typical repair costs for addressing a P1155 Chrysler code can vary depending on the specific cause of the issue and the cost of parts and labor. In general, the parts required for this repair, such as a fuel pressure regulator, fuel filter, fuel pump, or fuel injectors, can range from $100 to $500 or more, depending on the vehicle make and model. Additionally, labor costs can range from $200 to $500 or more, depending on the shop's hourly rates and the complexity of the repair.
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