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Engine-Codes – Hyundai – P0119 Hyundai

P0119 Hyundai Code - Engine Coolant Temperature Circuit Intermittent

Quick Answer

The P0119 diagnostic trouble code (DTC) for Hyundai vehicles specifically relates to the Engine Coolant Temperature (ECT) Circuit Intermittent. Common causes include Faulty engine coolant temperature sensor, Damaged or corroded wiring in the ECT circuit, Loose or damaged connectors in the ECT circuit. 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
P0119 Hyundai indicates Engine Coolant Temperature Circuit Intermittent.
Common causes
Common causes include Faulty engine coolant temperature sensor, Damaged or corroded wiring in the ECT circuit, Loose or damaged connectors in the ECT circuit.
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 11, 2024
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Code P0119 Hyundai Description

The P0119 diagnostic trouble code (DTC) for Hyundai vehicles specifically relates to the Engine Coolant Temperature (ECT) Circuit Intermittent. This code indicates that there is a problem with the circuit that monitors the engine coolant temperature. The Engine Control Module (ECM) uses this information to adjust fuel delivery and ignition timing to ensure optimal engine performance and efficiency. When the circuit is intermittent, it means that the ECM is receiving inconsistent or unreliable data regarding the engine coolant temperature, which can lead to issues with engine performance, fuel economy, and emissions.

OBDII Code P0119 Hyundai - Engine Coolant Temperature Circuit Intermittent
P0119 Hyundai Code - Engine Coolant Temperature Circuit Intermittent

Common Causes of P0119 Hyundai

  1. Faulty engine coolant temperature sensor
  2. Damaged or corroded wiring in the ECT circuit
  3. Loose or damaged connectors in the ECT circuit
  4. Malfunctioning Engine Control Module (ECM)
  5. Coolant level or quality issues

Symptoms of P0119 Hyundai

  1. Fluctuating temperature gauge readings
  2. Engine running hotter or colder than usual
  3. Poor fuel economy
  4. Engine misfires or hesitation
  5. Check Engine Light illuminated

How to Fix P0119 Hyundai

  1. Diagnose the issue by using a scan tool to retrieve the fault code and examine the ECT circuit for any visible damage.
  2. Inspect the engine coolant temperature sensor and its wiring for any signs of damage or corrosion. Replace the sensor if necessary.
  3. Check the wiring harness and connectors in the ECT circuit for loose connections or damage. Repair or replace as needed.
  4. Clear the fault code and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to pinpoint the exact cause of the issue.

Cost to Fix P0119 Hyundai

The typical repair costs for addressing a P0119 Engine Coolant Temperature Circuit Intermittent code can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates can vary between auto repair shops, so it's advisable to check local rates for a more accurate estimate. Additional costs may apply if further diagnostic testing or component replacements are needed.

When is the Code Detected?

The Engine Control Module (ECM) detected an erratic signal from the engine Coolant Temperature (ECT) sensor during the system monitor test

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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.

Frequently Asked Questions about P0119 Hyundai Code

1. What are common symptoms of OBDII code P0119 in a Hyundai related to the Engine Coolant Temperature Circuit Intermittent?

Symptoms may include erratic temperature gauge readings, engine overheating, poor fuel economy, and potentially a check engine light.

2. What are some possible causes of OBDII code P0119 in a Hyundai?

Common causes may include a faulty engine coolant temperature sensor, damaged wiring or connectors in the coolant temperature circuit, or issues with the engine control module.

3. How can I diagnose the cause of OBDII code P0119 in my Hyundai?

Diagnosis typically involves checking the engine coolant temperature sensor for proper resistance values, inspecting the wiring and connectors for damage, and using a scan tool to monitor coolant temperature sensor data.

4. Can a faulty thermostat cause OBDII code P0119 in a Hyundai?

While a faulty thermostat can affect engine coolant temperature, it is not a direct cause of OBDII code P0119. However, a malfunctioning thermostat can lead to related issues that may trigger this code.

5. What are some repair tips for addressing OBDII code P0119 in a Hyundai?

Repair tips may include replacing the engine coolant temperature sensor, repairing damaged wiring or connectors, ensuring proper coolant levels, and performing a thorough inspection of the cooling system.

6. Is it safe to continue driving my Hyundai with OBDII code P0119 present?

It is generally not recommended to drive with OBDII code P0119 present, as it can lead to potential engine overheating and other serious issues. It is advisable to address the problem promptly.

7. Can I reset OBDII code P0119 in my Hyundai using a simple OBDII scanner?

While you can clear the code using an OBDII scanner, it is important to diagnose and address the underlying issue causing the code to prevent it from reoccurring.

8. How much does it typically cost to repair OBDII code P0119 in a Hyundai?

The cost of repairs can vary depending on the specific cause of the code and labor rates in your area. Generally, replacing the coolant temperature sensor or repairing wiring can range from $100 to $300.

9. Will OBDII code P0119 cause my Hyundai to fail an emissions test?

OBDII code P0119 may cause your Hyundai to fail an emissions test if it triggers the check engine light. It is advisable to address the issue and clear the code before undergoing an emissions test.

10. Can extreme weather conditions affect the likelihood of OBDII code P0119 occurring in a Hyundai?

Extreme weather conditions can potentially impact the engine coolant temperature readings, which may lead to issues triggering OBDII code P0119. Ensuring proper cooling system maintenance is crucial, especially in extreme temperatures.

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