P0672 Chevrolet Code - Cylinder 2 Glow Plug Circuit Fault
Quick Answer
The P0672 Chevrolet code indicates a fault in the glow plug circuit for cylinder 2 in the vehicle's engine. Common causes include Faulty glow plug in cylinder 2, Wiring issues or electrical connections related to the glow plug circuit, Faulty glow plug control module. 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
- P0672 Chevrolet indicates Cylinder 2 Glow Plug Circuit Fault.
- Common causes
- Common causes include Faulty glow plug in cylinder 2, Wiring issues or electrical connections related to the glow plug circuit, Faulty glow plug control module.
- 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.
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Code P0672 Chevrolet Description
The P0672 Chevrolet code indicates a fault in the glow plug circuit for cylinder 2 in the vehicle's engine. Glow plugs are used in diesel engines to heat up the air in the combustion chamber during cold starts, aiding in the ignition process. When the glow plug circuit malfunctions, it can lead to issues with starting the engine, reduced fuel efficiency, rough idling, and increased emissions. If left unaddressed, the lack of proper cylinder 2 combustion can cause damage to the engine over time.
Common Causes of P0672 Chevrolet
- Faulty glow plug in cylinder 2.
- Wiring issues or electrical connections related to the glow plug circuit.
- Faulty glow plug control module.
- Corrosion or damage to the connectors in the glow plug circuit.
- Engine control module (ECM) failure.
Symptoms of P0672 Chevrolet
- Difficulty starting the engine, especially in cold weather.
- Rough idling or misfiring.
- Reduced fuel efficiency.
- Engine hesitation or lack of power.
- Increase in exhaust emissions.
How to Fix P0672 Chevrolet
- Begin by diagnosing the specific cause of the code, such as testing the glow plug in cylinder 2 and checking the wiring and connections.
- Replace the faulty glow plug in cylinder 2 if necessary.
- Inspect and repair any damaged wiring or connectors in the glow plug circuit.
- Test the glow plug control module and replace it if found to be faulty.
- Clear the diagnostic trouble codes and test the vehicle to ensure the issue has been resolved.
Cost to Fix P0672 Chevrolet
The cost of repairing a cylinder 2 glow plug circuit fault can vary depending on the specific cause of the issue and the labor rates in your area. On average, the cost of replacing a faulty glow plug can range from $50 to $150 per plug, while the cost of a glow plug control module replacement can range from $150 to $300. The total repair cost, including parts and labor, may range from $200 to $600. It's recommended to obtain quotes from local auto repair shops for a more accurate estimate of the cost.
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Information for Specific Chevrolet Models
- P0672 2014 Chevrolet Silverado — Cylinder 2 Glow Plug Circuit Fault
- P0672 2015 Chevrolet Silverado — Cylinder 2 Glow Plug Circuit Fault
- P0672 2016 Chevrolet Silverado — Cylinder 2 Glow Plug Circuit Fault
- P0672 2017 Chevrolet Silverado — Cylinder 2 Glow Plug Circuit Fault
- P0672 2018 Chevrolet Silverado — Cylinder 2 Glow Plug Circuit Fault
Frequently Asked Questions about P0672 Chevrolet Code
1. What are the common symptoms of OBDII code P0672 in a Chevrolet related to the Cylinder 2 Glow Plug Circuit Fault?
- Common symptoms include hard starting, rough idling, reduced engine performance, and the illumination of the Check Engine light.
2. What are the potential causes of OBDII code P0672 in a Chevrolet related to the Cylinder 2 Glow Plug Circuit Fault?
- The code P0672 can be caused by a faulty glow plug in cylinder 2, damaged wiring or connectors in the glow plug circuit, or a problem with the glow plug control module.
3. How can I diagnose the Cylinder 2 Glow Plug Circuit Fault indicated by OBDII code P0672 in my Chevrolet?
- To diagnose P0672, you can use a multimeter to test the resistance of the glow plug, check the wiring and connectors for any visible damage, and scan the glow plug control module for fault codes.
4. Can I drive my Chevrolet with OBDII code P0672 related to the Cylinder 2 Glow Plug Circuit Fault?
- It is not recommended to drive your vehicle with a glow plug circuit fault, as it can lead to starting issues and potential damage to the engine.
5. What are some repair tips for resolving OBDII code P0672 in a Chevrolet with a Cylinder 2 Glow Plug Circuit Fault?
- Repair tips include replacing the faulty glow plug in cylinder 2, repairing any damaged wiring or connectors, and resetting the fault code using an OBDII scanner.
6. How important is it to address OBDII code P0672 related to the Cylinder 2 Glow Plug Circuit Fault promptly?
- It is important to address P0672 promptly to prevent starting issues and further damage to the engine, as malfunctioning glow plugs can affect the combustion process.
7. Can weather conditions impact the occurrence of OBDII code P0672 in a Chevrolet related to the Cylinder 2 Glow Plug Circuit Fault?
- Yes, extreme cold weather conditions can put additional strain on glow plugs, increasing the likelihood of failures and triggering OBDII code P0672.
8. Are there any preventive measures to avoid OBDII code P0672 in a Chevrolet due to Cylinder 2 Glow Plug Circuit Fault?
- Regularly inspecting and maintaining the glow plug system, especially before the onset of cold weather, can help prevent issues leading to OBDII code P0672.
9. Is it possible for a DIY enthusiast to replace a glow plug in cylinder 2 to address OBDII code P0672 in a Chevrolet?
- While it is possible for a DIY enthusiast to replace a glow plug, it is recommended to have some experience with automotive repairs and access to the necessary tools to ensure proper installation.
10. How can a professional mechanic help in diagnosing and repairing OBDII code P0672 in a Chevrolet related to the Cylinder 2 Glow Plug Circuit Fault?
- A professional mechanic can efficiently diagnose the issue using specialized tools, accurately repair or replace faulty components, and ensure the glow plug circuit functions correctly to clear the fault code.
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