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Engine-Codes – Chevrolet – P1222 Chevrolet

P1222 Chevrolet Code - Injector Control Circuit 1 Intermittent

Quick Answer

The P1222 Chevrolet code refers to an Injector Control Circuit 1 Intermittent issue. Common causes include Faulty fuel injector, Wiring issues in the injector control circuit, Corrosion or damage to electrical connectors. 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
P1222 Chevrolet indicates Injector Control Circuit 1 Intermittent.
Common causes
Common causes include Faulty fuel injector, Wiring issues in the injector control circuit, Corrosion or damage to electrical connectors.
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 P1222 Chevrolet Description

The P1222 Chevrolet code refers to an Injector Control Circuit 1 Intermittent issue. This means that there is a problem with the control circuit for the fuel injector in cylinder 1 of the engine. The fuel injector is responsible for delivering the precise amount of fuel to the engine for combustion. When this circuit is intermittent, it can lead to a variety of performance issues in the vehicle.

OBDII Code P1222 Chevrolet - Injector Control Circuit 1 Intermittent
P1222 Chevrolet Code - Injector Control Circuit 1 Intermittent

Common Causes of P1222 Chevrolet

  1. Faulty fuel injector
  2. Wiring issues in the injector control circuit
  3. Corrosion or damage to electrical connectors
  4. Engine control module (ECM) malfunction

Symptoms of P1222 Chevrolet

  1. Engine misfires
  2. Rough idling
  3. Poor fuel efficiency
  4. Lack of power when accelerating

How to Fix P1222 Chevrolet

  1. Diagnose the issue by using a scan tool to check for the P1222 code and test the fuel injector and control circuit.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as needed.
  3. Test the fuel injector for proper function and replace if necessary.
  4. Clear the code from the engine control module and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1222 Chevrolet

The cost of repairing a P1222 Chevrolet code can vary depending on the exact cause of the issue and the labor rates at the auto repair shop. In general, the cost of parts for a fuel injector replacement can range from $100 to $300, while the labor cost can range from $100 to $300. Therefore, the total repair cost can be anywhere from $200 to $600. It's important to note that these are rough estimates and actual costs may vary. It's recommended to check with local auto repair shops for a more accurate quote.

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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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