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Engine-Codes – Generic – P1190

P1190 Code - Intake Throttle Actuator Malfunction

Quick Answer

The P1190 diagnostic trouble code (DTC) indicates an Intake Throttle Actuator Malfunction. Common causes include Faulty intake throttle actuator: The actuator itself may be faulty due to wear and tear or electrical issues, Wiring or electrical issues: Problems with the wiring or electrical connections to the intake throttle actuator can trigger this code, Vacuum leaks: Vacuum leaks in the intake system can cause the intake throttle actuator to malfunction. 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
P1190 indicates Intake Throttle Actuator Malfunction.
Common causes
Common causes include Faulty intake throttle actuator: The actuator itself may be faulty due to wear and tear or electrical issues, Wiring or electrical issues: Problems with the wiring or electrical connections to the intake throttle actuator can trigger this code, Vacuum leaks: Vacuum leaks in the intake system can cause the intake throttle actuator to malfunction.
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 Aug 19, 2024
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Code P1190 Description

The P1190 diagnostic trouble code (DTC) indicates an Intake Throttle Actuator Malfunction. This code is typically associated with an issue in the intake throttle actuator, which controls the air intake into the engine. The throttle actuator is responsible for regulating the airflow into the engine, which is crucial for proper combustion and engine performance. When this actuator malfunctions, it can lead to a variety of issues that can affect the vehicle's performance.

OBDII Code P1190 - Intake Throttle Actuator Malfunction
P1190 Code - Intake Throttle Actuator Malfunction

Common Causes of P1190

  1. Faulty intake throttle actuator: The actuator itself may be faulty due to wear and tear or electrical issues.
  2. Wiring or electrical issues: Problems with the wiring or electrical connections to the intake throttle actuator can trigger this code.
  3. Vacuum leaks: Vacuum leaks in the intake system can cause the intake throttle actuator to malfunction.
  4. Dirty or clogged throttle body: A dirty or clogged throttle body can affect the intake throttle actuator's performance.

Symptoms of P1190

  1. Engine hesitation or stalling: A malfunctioning intake throttle actuator can cause the engine to hesitate or stall, especially during acceleration.
  2. Reduced power and performance: The vehicle may experience a lack of power and reduced performance, making it sluggish to drive.
  3. Rough idling: The engine may idle roughly or erratically when the intake throttle actuator is malfunctioning.
  4. Check Engine Light: The Check Engine Light may illuminate on the dashboard, indicating a problem with the intake throttle actuator.

How to Fix P1190

  1. Diagnose the issue: Use a diagnostic scan tool to retrieve the trouble code and perform further testing to pinpoint the exact cause of the intake throttle actuator malfunction.
  2. Inspect wiring and connections: Check the wiring and connections to the intake throttle actuator for any signs of damage or corrosion.
  3. Clean or replace throttle body: Clean the throttle body to ensure proper airflow, or replace it if it is excessively dirty or clogged.
  4. Replace intake throttle actuator: If the actuator is found to be faulty, it will need to be replaced with a new unit.
  5. Clear trouble codes: After making the necessary repairs, clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1190

The cost of repairing an intake throttle actuator malfunction can vary depending on the specific vehicle make and model, as well as the extent of the issue. Typically, the cost of parts for a new intake throttle actuator ranges from $200 to $500, while labor costs can range from $100 to $300. Overall, the total repair cost can be anywhere from $300 to $800. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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Code P1190 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.

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  • we have a vauxhall astra van which keeps cutting out we had the deisel pump changed and its not the problem it has been on the machine and it is coming up as a fault code 1190 does anybody know about this problem can you help please.?? 

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