Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble controlling how much fuel is being sent to the engine. It's like when a faucet doesn't always let out the right amount of water when you turn it on.
The P0255 code is triggered when the engine control module (ECM) detects an intermittent issue with the fuel metering control of the injection pump.
The P0255 code indicates that there is an intermittent problem with the fuel metering control circuit of the injection pump. This could be due to a faulty sensor, wiring issue, or a problem with the injection pump itself. The 'A' designation typically refers to a specific part of the fuel system, such as the camshaft, rotor, or injector.
• Check Engine Light is on
• Engine may run rough or stall
• Decreased fuel efficiency
• Faulty fuel injection pump
• Wiring issues in the fuel metering control circuit
• Faulty fuel metering control sensor
ECM: Engine Control Module
Fuel Injection Pump: A component that delivers fuel to the engine's injectors.
• Scan the vehicle for codes and freeze frame data.
• Inspect the wiring and connectors in the fuel metering control circuit.
• Test the fuel injection pump and related sensors for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the fuel injection pump if faulty.
• Replace the fuel metering control sensor if necessary.
• OBD-II scanner
• Multimeter
• Fuel pressure tester
$200 - $1500
Moderate
• Ford F-Series
• Chevrolet Silverado
• Dodge Ram
• Regular maintenance of the fuel system
• Ensure quality fuel is used
• Periodic inspection of wiring and connectors
Engine Performance
• Have the vehicle inspected by a professional mechanic.
• Avoid driving the vehicle until the issue is resolved to prevent further damage.
Check with the vehicle manufacturer for warranty coverage on the fuel system components.
The P0255 code has been associated with fuel system issues in diesel engines, particularly in older models with mechanical fuel injection systems.
Moderate – It is advisable to address this issue soon to prevent potential engine damage.
Driving with this code may lead to engine performance issues and increased emissions, which could fail emissions testing.
• Engine at operating temperature
• Vehicle in a safe and controlled environment
The fuel injection pump is typically located on the engine and is driven by the engine's camshaft or timing belt.
Q: Can I drive my car with a P0255 code?
A: It's not recommended to drive with this code as it can lead to engine performance issues.
Q: How can I prevent a P0255 code?
A: Regular maintenance and using quality fuel can help prevent this code.
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