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Engine-Codes – RAM – P1190 RAM

P1190 RAM Code - Throttle Inlet Pressure Sensor High

Quick Answer

The P1190 diagnostic trouble code (DTC) refers to an issue with the Throttle Inlet Pressure Sensor, indicating that the sensor is reading a higher pressure than expected. Common causes include Faulty Throttle Inlet Pressure Sensor, Wiring or connector issues in the sensor circuit, Vacuum leaks in the intake system. 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 RAM indicates Throttle Inlet Pressure Sensor High.
Common causes
Common causes include Faulty Throttle Inlet Pressure Sensor, Wiring or connector issues in the sensor circuit, Vacuum leaks in the intake system.
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 10, 2024
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Code P1190 RAM Description

The P1190 diagnostic trouble code (DTC) refers to an issue with the Throttle Inlet Pressure Sensor, indicating that the sensor is reading a higher pressure than expected. This sensor is responsible for monitoring the pressure of the air entering the engine through the throttle inlet. If the sensor detects a pressure that is too high, it can cause a variety of performance issues in the vehicle.

OBDII Code P1190 RAM - Throttle Inlet Pressure Sensor High
P1190 RAM Code - Throttle Inlet Pressure Sensor High

Common Causes of P1190 RAM

  1. Faulty Throttle Inlet Pressure Sensor
  2. Wiring or connector issues in the sensor circuit
  3. Vacuum leaks in the intake system
  4. Clogged air filter restricting airflow
  5. Issues with the throttle body or intake manifold

Symptoms of P1190 RAM

  1. Check engine light illuminated
  2. Reduced fuel efficiency
  3. Rough idling or stalling
  4. Hesitation or lack of power during acceleration
  5. Engine misfires

How to Fix P1190 RAM

  1. Begin by diagnosing the issue using a scan tool to confirm the P1190 code and check the Throttle Inlet Pressure Sensor's readings.
  2. Inspect the sensor, wiring, and connectors for any visible damage or corrosion. Replace or repair any damaged components.
  3. Check for vacuum leaks in the intake system and repair any leaks found.
  4. Replace the air filter if it is dirty or clogged, restricting airflow.
  5. If the issue persists, consider cleaning or replacing the throttle body and intake manifold to ensure proper airflow and sensor readings.

Cost to Fix P1190 RAM

The cost of repairing a Throttle Inlet Pressure Sensor high code can vary depending on the specific cause of the issue and the vehicle's make and model. On average, the repair cost for this type of issue can range from $200 to $500, including parts and labor. Keep in mind that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to get quotes from several reputable shops in your area 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.

Frequently Asked Questions about P1190 RAM Code

1. What are the common symptoms of OBDII code P1190 (Throttle Inlet Pressure Sensor High)?

The common symptoms of code P1190 include rough idle, lack of power, engine stalling, and the Check Engine Light illuminating.

2. What are the possible causes of OBDII code P1190?

Possible causes of code P1190 include a faulty throttle inlet pressure sensor, wiring issues, vacuum leaks, or a problem with the intake system.

3. How can I diagnose the cause of OBDII code P1190?

To diagnose the cause of code P1190, you can start by checking the throttle inlet pressure sensor for proper operation, inspecting the wiring for any damage, and performing a vacuum leak test in the intake system.

4. Can a dirty throttle body cause OBDII code P1190?

Yes, a dirty throttle body can disrupt the proper functioning of the throttle inlet pressure sensor and potentially trigger code P1190. Regular maintenance of the throttle body is recommended to avoid this issue.

5. How can I repair OBDII code P1190?

Repairing code P1190 typically involves replacing the faulty throttle inlet pressure sensor, addressing any wiring issues, fixing vacuum leaks, or cleaning the throttle body if necessary.

6. Is it safe to continue driving with OBDII code P1190 present?

It is not recommended to continue driving with OBDII code P1190 unresolved, as it can lead to further engine performance issues and potential damage. It's best to address the problem promptly.

7. Can a DIY enthusiast fix OBDII code P1190 at home?

Depending on your automotive repair skills and access to tools, some DIY enthusiasts may be able to fix code P1190 at home by following the proper diagnostic and repair procedures. However, professional assistance may be needed in some cases.

8. Will resetting the OBDII code P1190 make it go away permanently?

Resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue causing code P1190 is not resolved, the code is likely to reappear. It's important to diagnose and fix the problem to prevent future occurrences.

9. How much does it typically cost to repair OBDII code P1190 at a mechanic?

The cost of repairing code P1190 can vary depending on the specific cause of the issue, the labor rates of the mechanic, and the cost of parts. It's recommended to get a diagnosis and estimate from a trusted mechanic.

10. Can extreme weather conditions trigger OBDII code P1190?

Extreme weather conditions such as very high or low temperatures can potentially affect the performance of the throttle inlet pressure sensor and contribute to triggering code P1190. It's important to ensure all components are functioning properly to prevent weather-related issues.

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