P0628 Chrysler Code - Low Voltage Detected At The Fuel Lift Pump
Quick Answer
The P0628 code for Chrysler vehicles indicates that the Engine Control Module (ECM) has detected a low voltage condition at the fuel lift pump. Common causes include Faulty fuel lift pump, Corroded or damaged wiring connections, Blown fuse related to the fuel lift 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
- P0628 Chrysler indicates Low Voltage Detected At The Fuel Lift Pump.
- Common causes
- Common causes include Faulty fuel lift pump, Corroded or damaged wiring connections, Blown fuse related to the fuel lift 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 P0628 Chrysler Description
The P0628 code for Chrysler vehicles indicates that the Engine Control Module (ECM) has detected a low voltage condition at the fuel lift pump. The fuel lift pump is responsible for supplying fuel to the engine, and a low voltage reading can disrupt this process, potentially leading to poor engine performance or even stalling.
Common Causes of P0628 Chrysler
- Faulty fuel lift pump
- Corroded or damaged wiring connections
- Blown fuse related to the fuel lift pump
- Malfunctioning ECM
- Electrical system issues such as a weak battery or alternator
Symptoms of P0628 Chrysler
- Engine misfires or hesitation during acceleration
- Difficulty starting the engine
- Rough idling or stalling
- Poor fuel efficiency
- Engine performance issues under load
How to Fix P0628 Chrysler
- Begin by checking the wiring connections related to the fuel lift pump for any signs of damage or corrosion. Repair or replace any damaged wiring.
- Inspect the fuse for the fuel lift pump and replace it if blown.
- Test the fuel lift pump to ensure it is functioning properly. If the pump is faulty, it will need to be replaced.
- Check the battery and alternator to ensure they are providing sufficient voltage to the fuel lift pump. Replace or repair any components that are not functioning correctly.
- Clear the diagnostic trouble codes from the ECM using a scan tool after completing the repairs.
Cost to Fix P0628 Chrysler
The cost of repairing a low voltage condition at the fuel lift pump can vary depending on the specific cause of the issue and the labor rates in your area. In general, replacing a faulty fuel lift pump can cost between $200 and $500, including parts and labor. If the issue is related to wiring or electrical components, the cost may be lower, typically ranging from $100 to $300. It's important to consult with a qualified mechanic to diagnose the exact cause of the problem and provide an accurate cost estimate. Labor rates at auto repair shops can vary, so it's advisable to inquire about rates in your local area for a more precise estimate.
Tech Notes for P0628 Chrysler
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