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P1930 Ford Code - Fuel Additive Level Too Low/Empty

Quick Answer

The P1930 Ford diagnostic trouble code indicates that the fuel additive level in the vehicle is too low or empty. Common causes include Low DEF Fluid: The most common cause of the P1930 code is a low level of DEF fluid in the vehicle's tank, DEF System Malfunction: Issues with the DEF system, such as a faulty pump or sensor, can trigger the P1930 code, Contaminated DEF Fluid: Contaminants in the DEF fluid can cause the system to malfunction and trigger the code. 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
P1930 Ford indicates Fuel Additive Level Too Low/Empty.
Common causes
Common causes include Low DEF Fluid: The most common cause of the P1930 code is a low level of DEF fluid in the vehicle's tank, DEF System Malfunction: Issues with the DEF system, such as a faulty pump or sensor, can trigger the P1930 code, Contaminated DEF Fluid: Contaminants in the DEF fluid can cause the system to malfunction and trigger the code.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 29, 2024
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Code P1930 Ford Description

The P1930 Ford diagnostic trouble code indicates that the fuel additive level in the vehicle is too low or empty. This code is commonly found in vehicles equipped with a diesel engine that requires the use of a diesel exhaust fluid (DEF) additive to reduce emissions. DEF is a mixture of urea and deionized water that is injected into the exhaust stream to convert harmful nitrogen oxides into harmless nitrogen and water vapor.

OBDII Code P1930 Ford - Fuel Additive Level Too Low/Empty
P1930 Ford Code - Fuel Additive Level Too Low/Empty

Common Causes of P1930 Ford

  1. Low DEF Fluid: The most common cause of the P1930 code is a low level of DEF fluid in the vehicle's tank.
  2. DEF System Malfunction: Issues with the DEF system, such as a faulty pump or sensor, can trigger the P1930 code.
  3. Contaminated DEF Fluid: Contaminants in the DEF fluid can cause the system to malfunction and trigger the code.
  4. DEF Tank Leak: A leak in the DEF tank or system can lead to a low fuel additive level and trigger the code.

Symptoms of P1930 Ford

  1. Check Engine Light: The most common symptom associated with the P1930 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Reduced Power: In some cases, the vehicle may go into a reduced power mode to limit emissions and prevent further damage to emissions components.
  3. Poor Fuel Efficiency: A low fuel additive level can lead to reduced fuel efficiency as the emissions control system may not be operating optimally.
  4. Failed Emissions Test: If the fuel additive level is too low, the vehicle may fail emissions tests due to increased emissions of nitrogen oxides.

How to Fix P1930 Ford

  1. Refill DEF Tank: The first step in addressing the P1930 code is to refill the DEF tank with the appropriate DEF fluid to the recommended level.
  2. Check for Leaks: Inspect the DEF tank and system for any leaks that may be causing the low fuel additive level.
  3. Test DEF System: Use a diagnostic tool to test the DEF system components, such as the pump and sensors, for proper operation.
  4. Clear Codes: After refilling the DEF tank and addressing any issues with the DEF system, clear the diagnostic trouble codes from the vehicle's system to reset the check engine light.

Cost to Fix P1930 Ford

The typical repair costs for addressing the P1930 code can vary depending on the specific cause of the issue. Refilling the DEF tank with DEF fluid can cost around $50 to $100, including the cost of the fluid. If there are additional issues with the DEF system that require repair or replacement of components, the total cost can range from $200 to $500 or more, including parts and labor. It is important to note that diagnostic time and labor rates at auto repair shops can vary, so it is advisable to check local rates for a more accurate estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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