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Engine-Codes – Chevrolet – P1285 Chevrolet

P1285 Chevrolet Code - Accelerator Pedal Position Sensor 3 Circuit

Quick Answer

The P1285 Chevrolet code indicates a problem with the Accelerator Pedal Position Sensor 3 Circuit. Common causes include Faulty Accelerator Pedal Position Sensor 3, Wiring issues or shorts in the circuit, ECM 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
P1285 Chevrolet indicates Accelerator Pedal Position Sensor 3 Circuit.
Common causes
Common causes include Faulty Accelerator Pedal Position Sensor 3, Wiring issues or shorts in the circuit, ECM 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 Sep 07, 2024
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Code P1285 Chevrolet Description

The P1285 Chevrolet code indicates a problem with the Accelerator Pedal Position Sensor 3 Circuit. This sensor is responsible for monitoring the position of the accelerator pedal and sending this information to the engine control module (ECM). The ECM uses this data to determine how much fuel and air to deliver to the engine for optimal performance.

OBDII Code P1285 Chevrolet - Accelerator Pedal Position Sensor 3 Circuit
P1285 Chevrolet Code - Accelerator Pedal Position Sensor 3 Circuit

Common Causes of P1285 Chevrolet

  1. Faulty Accelerator Pedal Position Sensor 3
  2. Wiring issues or shorts in the circuit
  3. ECM malfunction
  4. Corrosion or damage to sensor connectors
  5. Environmental factors (moisture, heat) affecting sensor performance

Symptoms of P1285 Chevrolet

  1. Rough idling
  2. Hesitation during acceleration
  3. Reduced engine power
  4. Engine stalling
  5. Check Engine Light illuminated

How to Fix P1285 Chevrolet

  1. Diagnose the issue using a scan tool and multimeter
  2. Inspect wiring and connectors for damage or corrosion
  3. Replace the Accelerator Pedal Position Sensor 3 if faulty
  4. Clear the fault code and test drive the vehicle to ensure proper functionality
  5. Reset the ECM if necessary

Cost to Fix P1285 Chevrolet

The cost of repairing the Accelerator Pedal Position Sensor 3 Circuit can vary depending on the make and model of the vehicle, as well as the labor rates in your area. On average, the parts for this repair can range from $50 to $150, while labor costs can add an additional $100 to $200. Overall, you can expect to pay anywhere from $150 to $350 for this repair at a typical auto repair shop. It's advisable to get a few quotes from different shops in your area to find the best price.

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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.

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