Engine-CodesAcura – P1301 Acura

P1301 Acura Code - Cylinder Number 1 Random Misfire Detected

Quick Answer

The P1301 diagnostic trouble code (DTC) for Acura vehicles indicates that a random misfire has been detected in Cylinder Number 1. Common causes include Faulty spark plug, Malfunctioning ignition coil, Clogged fuel injector. 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
P1301 Acura indicates Cylinder Number 1 Random Misfire Detected.
Common causes
Common causes include Faulty spark plug, Malfunctioning ignition coil, Clogged fuel injector.
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 Sep 10, 2024
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Code P1301 Acura Description

The P1301 diagnostic trouble code (DTC) for Acura vehicles indicates that a random misfire has been detected in Cylinder Number 1. This means that the engine's computer has detected a problem with the combustion process in the first cylinder of the engine, leading to an irregular and inefficient firing of the spark plug. This issue can lead to a variety of performance problems in the vehicle, including decreased power, rough idling, poor fuel economy, and potential damage to the engine components over time.

OBDII Code P1301 Acura - Cylinder Number 1 Random Misfire Detected
P1301 Acura Code - Cylinder Number 1 Random Misfire Detected

Common Causes of P1301 Acura

  1. Faulty spark plug
  2. Malfunctioning ignition coil
  3. Clogged fuel injector
  4. Vacuum leak
  5. Low compression in Cylinder Number 1

Symptoms of P1301 Acura

  1. Rough idling
  2. Decreased engine performance
  3. Poor fuel economy
  4. Engine vibrations
  5. Hesitation or stumbling during acceleration

How to Fix P1301 Acura

  1. Diagnose the specific cause of the misfire by conducting a thorough inspection of the spark plug, ignition coil, fuel injector, and vacuum lines.
  2. Replace the faulty spark plug or ignition coil in Cylinder Number 1 if they are found to be defective.
  3. Clean or replace the clogged fuel injector in Cylinder Number 1 to ensure proper fuel delivery.
  4. Repair any vacuum leaks in the engine system to prevent air from entering the combustion chamber.
  5. Conduct a compression test on Cylinder Number 1 to check for any issues with the engine's internal components.

Cost to Fix P1301 Acura

The typical repair costs for resolving a Cylinder Number 1 random misfire detected code can range from $100 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check local rates for a more accurate estimate of the repair costs.

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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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