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Engine-Codes – Generic – P3073

P3073 Code - Engine Coolant Pump Low Current

Quick Answer

The P3073 code indicates that there is a low current flowing through the engine coolant pump. Common causes include Faulty engine coolant pump, Electrical issues in the coolant pump circuit, Low coolant levels. 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
P3073 indicates Engine Coolant Pump Low Current.
Common causes
Common causes include Faulty engine coolant pump, Electrical issues in the coolant pump circuit, Low coolant levels.
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 06, 2024
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Code P3073 Description

The P3073 code indicates that there is a low current flowing through the engine coolant pump. The engine coolant pump is responsible for circulating coolant through the engine to regulate its temperature. When the current is low, it means that the pump may not be functioning properly, which can lead to overheating of the engine. This issue can negatively impact the vehicle's performance, fuel efficiency, and overall reliability. If not addressed, it can cause engine damage and potentially lead to a complete breakdown.

OBDII Code P3073 - Engine Coolant Pump Low Current
P3073 Code - Engine Coolant Pump Low Current

Common Causes of P3073

  1. Faulty engine coolant pump
  2. Electrical issues in the coolant pump circuit
  3. Low coolant levels
  4. Clogged coolant passages
  5. Cooling system malfunction

Symptoms of P3073

  1. Engine overheating
  2. Coolant leaks
  3. Reduced engine performance
  4. Increased fuel consumption
  5. Check Engine Light illuminated

How to Fix P3073

  1. Begin by checking the coolant level and ensuring it is at the recommended level.
  2. Inspect the coolant pump for any signs of damage or wear. Replace the pump if necessary.
  3. Check the electrical connections to the coolant pump and repair any damaged wires or connectors.
  4. Flush the cooling system to remove any debris or contaminants that may be affecting the pump's performance.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P3073

The cost of repairing a P3073 code can vary depending on the extent of the issue and the specific repairs needed. On average, the cost of replacing an engine coolant pump can range from $200 to $600, including parts and labor. Additional costs may apply if there are other underlying issues that need to be addressed. It's recommended to consult with a professional mechanic to get an accurate estimate for your specific vehicle.

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Code P3073 Information for Specific Makes

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.

Frequently Asked Questions about P3073 Code

What does the OBDII code P3073 mean?

The OBDII code P3073 indicates a problem with the engine coolant pump, specifically that it is receiving low current, which may affect its performance.

What are common symptoms of the P3073 code?

Common symptoms include engine overheating, warning lights on the dashboard, unusual engine noise, and reduced engine performance.

What causes the P3073 code to trigger?

Causes may include a faulty coolant pump, wiring issues such as short circuits or poor connections, a malfunctioning control module, or low battery voltage.

How can I diagnose the P3073 code?

To diagnose the P3073 code, check the coolant pump's electrical connections, inspect the wiring for damage, test the pump for proper operation, and scan for other related trouble codes.

What are potential repairs for the P3073 code?

Repairs may include replacing the coolant pump, repairing or replacing damaged wiring or connectors, or reprogramming the engine control module if necessary.

Can I drive my vehicle with the P3073 code?

It is not advisable to drive with this code, as it can lead to engine overheating and potential damage if the coolant pump is not functioning properly.

How can I prevent the P3073 code from occurring?

Regular maintenance, including checking the coolant system and electrical connections, can help prevent issues that lead to the P3073 code.

Is it safe to ignore the P3073 code?

Ignoring the P3073 code is not safe, as it indicates a problem that could lead to overheating and serious engine damage if not addressed promptly.

What should I do if the P3073 code reappears after repairs?

If the P3073 code reappears, re-inspect the coolant pump and electrical connections, and consider consulting a professional mechanic for a more in-depth diagnosis.

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