P0672 RAM Code - Cylinder 2 Glow Plug Circuit Fault
Quick Answer
The P0672 diagnostic trouble code (DTC) refers to a malfunction in the glow plug circuit of cylinder 2 in a diesel engine. Common causes include Faulty glow plug in cylinder 2, Damaged or corroded wiring in the glow plug circuit, Defective glow plug relay. 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 RAM indicates Cylinder 2 Glow Plug Circuit Fault.
- Common causes
- Common causes include Faulty glow plug in cylinder 2, Damaged or corroded wiring in the glow plug circuit, Defective glow plug relay.
- 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 RAM Description
The P0672 diagnostic trouble code (DTC) refers to a malfunction in the glow plug circuit of cylinder 2 in a diesel engine. Glow plugs are essential components that help start diesel engines by heating the combustion chamber to facilitate ignition in cold conditions. When the engine is cold, the glow plugs warm up to ensure proper combustion and smooth engine startup. In the case of a cylinder 2 glow plug circuit fault, it means that there is an issue with the electrical circuit responsible for delivering power to the glow plug in cylinder 2.
Common Causes of P0672 RAM
- Faulty glow plug in cylinder 2.
- Damaged or corroded wiring in the glow plug circuit.
- Defective glow plug relay.
- Malfunctioning glow plug control module.
- Issues with the engine's electrical system or connectors.
Symptoms of P0672 RAM
- Difficulty starting the engine, especially in cold weather.
- Rough idle or misfiring engine.
- Reduced engine power and acceleration.
- Increased emissions and black smoke from the exhaust.
- Poor fuel efficiency.
How to Fix P0672 RAM
- Diagnose the specific cause of the cylinder 2 glow plug circuit fault using a diagnostic scanner.
- Inspect the glow plug in cylinder 2 for proper operation and replace if necessary.
- Check the wiring and connectors in the glow plug circuit for damage or corrosion and repair as needed.
- Test the glow plug relay and control module for functionality and replace if faulty.
- Clear the DTC from the vehicle's computer and test the engine to ensure proper operation.
Cost to Fix P0672 RAM
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 at the auto repair shop. Typically, replacing a glow plug can cost between $50 and $150 per plug, while diagnostic and labor charges can range from $100 to $300. Overall, the total repair cost for this issue can range from $200 to $600, including parts and labor. It is advisable to consult with a professional mechanic for a more accurate estimate based on your vehicle's make and model.
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Frequently Asked Questions about P0672 RAM Code
1. What are the common symptoms of OBDII code P0672 indicating a Cylinder 2 Glow Plug Circuit Fault?
- Common symptoms include hard starting, rough idling, decreased fuel efficiency, and the illumination of the check engine light.
2. What are the possible causes of OBDII code P0672 related to a Cylinder 2 Glow Plug Circuit Fault?
- Possible causes include a faulty glow plug in cylinder 2, issues with the glow plug circuit wiring, a defective glow plug relay, or a problem with the engine control module (ECM).
3. How can I diagnose the Cylinder 2 Glow Plug Circuit Fault indicated by OBDII code P0672?
- Diagnosing the issue involves checking the glow plug in cylinder 2 for continuity, inspecting the wiring for any damage or loose connections, testing the glow plug relay, and scanning for any other related codes.
4. Can I still drive my vehicle with OBDII code P0672 active for the Cylinder 2 Glow Plug Circuit Fault?
- It is not recommended to drive the vehicle with this code active, as it can lead to starting issues and potential engine damage due to improper combustion.
5. What should I do if I encounter OBDII code P0672 indicating a Cylinder 2 Glow Plug Circuit Fault?
- It is advisable to have the issue diagnosed and repaired by a qualified mechanic to prevent further damage to the engine and ensure proper functioning of the glow plug circuit.
6. Are there any DIY repair tips for addressing OBDII code P0672 related to a Cylinder 2 Glow Plug Circuit Fault?
- DIY enthusiasts can attempt to visually inspect the glow plug and wiring for any obvious issues, but complex diagnostics and repairs should be left to professionals with the appropriate tools and knowledge.
7. How much does it typically cost to repair OBDII code P0672 for a Cylinder 2 Glow Plug Circuit Fault?
- The cost of repair can vary depending on the underlying cause of the issue, but it may involve replacing the glow plug, repairing the wiring, or addressing ECM problems, with total costs ranging from a few hundred to over a thousand dollars.
8. Can a Cylinder 2 Glow Plug Circuit Fault trigger other OBDII codes besides P0672?
- Yes, a fault in the glow plug circuit for cylinder 2 can sometimes trigger related codes such as P0670, P0671, P0673, or P0674, depending on the nature of the issue.
9. How long does it typically take to repair OBDII code P0672 for a Cylinder 2 Glow Plug Circuit Fault?
- The repair time can vary based on the exact cause of the fault, but most repairs related to glow plug issues can be completed within a few hours to a day, assuming the necessary parts are readily available.
10. Is it important to address OBDII code P0672 promptly for a Cylinder 2 Glow Plug Circuit Fault?
- Yes, it is crucial to address this issue promptly to prevent potential starting problems, engine performance issues, and increased fuel consumption, which could lead to further damage if left unresolved.
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