Engine-CodesGeneric – C1750

C1750 Code - Accelerator Position Sensor Out of Range

Quick Answer

The C1750 diagnostic trouble code indicates that the accelerator position sensor is out of range. Common causes include Faulty accelerator position sensor, Wiring or connector issues, ECM software 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
C1750 indicates Accelerator Position Sensor Out of Range.
Common causes
Common causes include Faulty accelerator position sensor, Wiring or connector issues, ECM software 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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code C1750 Description

The C1750 diagnostic trouble code indicates that the accelerator position sensor is out of range. This sensor is responsible for monitoring the position of the accelerator pedal and sending this information to the engine control module (ECM). When the sensor is out of range, it means that the signal being sent is not within the expected parameters. This can lead to issues with engine performance, fuel efficiency, and overall drivability of the vehicle. If not addressed, it can potentially cause further damage to other components in the vehicle's systems.

OBDII Code C1750 - Accelerator Position Sensor Out of Range
C1750 Code - Accelerator Position Sensor Out of Range

Common Causes of C1750

  1. Faulty accelerator position sensor
  2. Wiring or connector issues
  3. ECM software malfunction
  4. Throttle body issues
  5. Mechanical issues with the accelerator pedal assembly

Symptoms of C1750

  1. Reduced engine power
  2. Poor acceleration
  3. Difficulty maintaining speed
  4. Engine stalling
  5. Check engine light illuminated

How to Fix C1750

  1. Diagnose the issue by using a scan tool to retrieve the fault code and inspecting the accelerator position sensor and related components.
  2. Test the sensor's voltage output and resistance to determine if it is functioning properly.
  3. Replace the accelerator position sensor if it is found to be faulty.
  4. Inspect and repair any damaged wiring or connectors.
  5. Clear the fault code from the ECM and perform a test drive to ensure the issue has been resolved.

Cost to Fix C1750

The cost of repairing an accelerator position sensor out of range can vary depending on the make and model of the vehicle, as well as the specific cause of the issue. On average, replacing the sensor itself can cost between $100 and $300, while labor costs can range from $50 to $150 per hour. Additional costs for diagnostics and any necessary parts or repairs may also apply. It is recommended to consult with a certified mechanic for a more accurate cost estimate based on the specific circumstances of the vehicle.

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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 C1750 Code

1. What are the common symptoms of OBDII code C1750 (Accelerator Position Sensor Out of Range)?

When this code is triggered, you may experience issues such as poor acceleration, rough idling, and hesitation when pressing the gas pedal.

2. What are some possible causes of OBDII code C1750?

Potential causes of this code include a faulty accelerator position sensor, wiring issues, sensor calibration problems, or issues with the throttle body.

3. How can I diagnose the cause of OBDII code C1750?

Diagnosing this code typically involves using a scan tool to check for the code, testing the accelerator position sensor, inspecting the wiring for any damage, and ensuring the sensor is properly calibrated.

4. Can a dirty throttle body cause OBDII code C1750?

Yes, a dirty throttle body can potentially cause this code to be triggered as it may affect the proper functioning of the accelerator position sensor.

5. What is the recommended repair for OBDII code C1750?

The recommended repair for this code is to first diagnose the specific cause accurately and then address the issue accordingly. This may involve replacing the accelerator position sensor, repairing any wiring issues, cleaning the throttle body, or recalibrating the sensor.

6. Is it safe to continue driving with OBDII code C1750 present?

It is not recommended to continue driving with this code active, as it can lead to poor engine performance and potential safety hazards. It is best to address the issue promptly.

7. Can a DIY enthusiast repair OBDII code C1750 at home?

Depending on your skill level and access to tools, some DIY enthusiasts may be able to address this code at home. However, it is recommended to have a professional mechanic diagnose and repair the issue to ensure it is properly resolved.

8. How much does it typically cost to repair OBDII code C1750?

The cost of repairing this code can vary depending on the specific cause of the issue, the labor rates in your area, and the cost of any replacement parts needed. It is best to obtain a few quotes from different mechanics to get an accurate estimate.

9. Can resetting the OBDII system clear code C1750?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return. It is important to diagnose and repair the root cause of the problem to prevent it from reoccurring.

10. Is OBDII code C1750 a serious issue that requires immediate attention?

While the severity of this code may vary depending on the specific cause, it is generally recommended to address it promptly to prevent further engine performance issues and potential safety concerns.

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