P1928 Lincoln Code - Fuel Additive Level Pump Control Circuit/Open
Quick Answer
The P1928 diagnostic trouble code for Lincoln vehicles indicates a problem with the Fuel Additive Level Pump Control Circuit being open. Common causes include Faulty Fuel Additive Level Pump, Corroded or damaged wiring in the control circuit, Defective DEF tank level sensor. 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
- P1928 Lincoln indicates Fuel Additive Level Pump Control Circuit/Open.
- Common causes
- Common causes include Faulty Fuel Additive Level Pump, Corroded or damaged wiring in the control circuit, Defective DEF tank level sensor.
- 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 P1928 Lincoln Description
The P1928 diagnostic trouble code for Lincoln vehicles indicates a problem with the Fuel Additive Level Pump Control Circuit being open. This code is typically found in vehicles equipped with a diesel engine and a diesel exhaust fluid (DEF) system. The Fuel Additive Level Pump is responsible for supplying the DEF to the exhaust system to reduce emissions. When the control circuit is open, it means that there is a break or interruption in the electrical connection between the pump and the vehicle's computer system.
Common Causes of P1928 Lincoln
- Faulty Fuel Additive Level Pump
- Corroded or damaged wiring in the control circuit
- Defective DEF tank level sensor
- Issues with the vehicle's computer system
- Electrical connection issues
Symptoms of P1928 Lincoln
- Reduced engine power
- Check Engine Light illuminated
- Failed emissions test
- Poor fuel efficiency
- Rough idling or stalling
How to Fix P1928 Lincoln
- Begin by performing a visual inspection of the wiring and connections related to the Fuel Additive Level Pump Control Circuit to check for any visible damage or corrosion.
- Test the Fuel Additive Level Pump to ensure it is functioning properly. If the pump is faulty, it will need to be replaced.
- Check the DEF tank level sensor for any malfunctions. Replace if necessary.
- Clear the diagnostic trouble codes from the vehicle's computer system using a diagnostic scanner.
- Test drive the vehicle to ensure that the issue has been resolved and that the Check Engine Light does not reappear.
Cost to Fix P1928 Lincoln
The cost of repairing a P1928 code can vary depending on the specific cause of the issue. On average, the cost of parts for this repair can range from $200 to $500, with labor costs adding an additional $100 to $200. However, it's important to note that labor rates at auto repair shops can vary significantly, so it's recommended to check with local shops for a more accurate estimate. Additionally, the cost of any necessary diagnostic testing or additional repairs may also affect the final cost.
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