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 your car's computer is having trouble controlling how much fuel is being sent to the engine. It's like if you were trying to pour a drink but couldn't control how much is coming out.
The P0253 code indicates a problem with the fuel injection pump's ability to control the amount of fuel being delivered to the engine.
The P0253 code is triggered when the Powertrain Control Module (PCM) detects a low voltage signal from the fuel metering control circuit 'A' in the injection pump. This usually involves the camshaft, rotor, or injector components that regulate fuel delivery.
• Engine may not start
• Poor engine performance
• Check Engine Light is on
• Faulty fuel injection pump
• Wiring issues or poor electrical connections
• Faulty fuel pressure sensor
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors related to the fuel injection pump.
• Check the fuel pressure sensor for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the faulty fuel injection pump.
• Replace the fuel pressure sensor if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$300 - $1,200
Difficult
• Ford F-Series
• Chevrolet Silverado
• Dodge Ram
• Regular maintenance of the fuel system
• Use high-quality fuel
• Inspect wiring and connectors regularly
Engine Performance
• Have your vehicle inspected by a professional mechanic.
• Avoid driving the vehicle until the issue is resolved to prevent further damage.
Check with your vehicle manufacturer for specific warranty coverage related to fuel system components.
The P0253 code has been associated with diesel engines and is often related to issues with older fuel injection systems.
High – This issue can lead to severe engine performance problems and should be addressed immediately.
Driving with a malfunctioning fuel injection system can lead to engine damage and may violate emissions regulations.
• Engine running
• Vehicle at operating temperature
The fuel injection pump is typically located on the engine block and is connected to the fuel system.
Q: Can I drive with a P0253 code?
A: It's not recommended to drive with this code as it can lead to further engine damage.
Q: How serious is a P0253 code?
A: It's a serious issue that affects engine performance and should be addressed promptly.
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