P0671 RAM Code - Cylinder 1 Glow Plug Circuit Fault
Quick Answer
The glow plug system is used to assist in providing the heat required to begin combustion during cold engine temperatures. Common causes include Faulty Cylinder #1 Glow Plug, Cylinder #1 Glow Plug harness is open or shorted, Cylinder #1 Glow Plug circuit poor electrical connection. 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
- P0671 RAM indicates Cylinder 1 Glow Plug Circuit Fault.
- Common causes
- Common causes include Faulty Cylinder #1 Glow Plug, Cylinder #1 Glow Plug harness is open or shorted, Cylinder #1 Glow Plug circuit poor electrical connection.
- 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.
Code P0671 RAM Description
What are the Possible Causes of the DTC P0671 RAM?
- Faulty Cylinder #1 Glow Plug
- Cylinder #1 Glow Plug harness is open or shorted
- Cylinder #1 Glow Plug circuit poor electrical connection
- Faulty Glow Plug Module
How to Fix the DTC P0671 RAM?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0671 RAM code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0671 RAM Code
1. What are the common symptoms of OBDII code P0671 related to the Cylinder 1 Glow Plug Circuit Fault?
The common symptoms include hard starting, rough idling, misfires, reduced engine performance, and potentially an illuminated Check Engine Light.
2. What are the possible causes of OBDII code P0671 indicating a Cylinder 1 Glow Plug Circuit Fault?
Possible causes include a faulty glow plug in cylinder 1, issues with the glow plug circuit wiring, a defective glow plug control module, or problems with the engine's computer.
3. How can I diagnose the Cylinder 1 Glow Plug Circuit Fault indicated by OBDII code P0671?
Diagnosis typically involves checking the glow plug in cylinder 1 for continuity, inspecting the wiring for damage or loose connections, testing the glow plug control module, and using a diagnostic scanner to monitor the circuit operation.
4. Can I still drive my vehicle with OBDII code P0671 present?
It is not recommended to drive your vehicle with code P0671 active, as it can lead to more severe engine issues and potential damage if left unresolved.
5. How can I repair the Cylinder 1 Glow Plug Circuit Fault associated with OBDII code P0671?
Repairing the fault may involve replacing the faulty glow plug in cylinder 1, repairing any damaged wiring, replacing the glow plug control module if necessary, and clearing the code with a diagnostic scanner.
6. Are there any preventive maintenance tips to avoid OBDII code P0671 in the future?
Regularly inspecting and testing the glow plugs, maintaining the glow plug circuit components, and following the manufacturer's recommended service intervals can help prevent issues leading to code P0671.
7. Can a DIY enthusiast fix the Cylinder 1 Glow Plug Circuit Fault causing OBDII code P0671?
While some experienced DIY enthusiasts may be able to diagnose and repair the issue, it is recommended to seek assistance from a professional mechanic due to the complexity of the glow plug circuit and potential electrical hazards.
8. What is the typical cost to repair OBDII code P0671 related to the Cylinder 1 Glow Plug Circuit Fault?
The cost of repair can vary depending on the exact cause of the fault, but it may range from $100 to $300 for parts and labor if only the glow plug or wiring needs replacement.
9. Will resetting the Check Engine Light clear OBDII code P0671 permanently?
Resetting the Check Engine Light may temporarily clear the code, but if the underlying issue causing code P0671 is not fixed, the light is likely to come back on after a short period of driving.
10. Is it safe to ignore OBDII code P0671 if the vehicle is running fine?
While the vehicle may seem to run fine initially, ignoring OBDII code P0671 can lead to more serious issues over time, potentially affecting engine performance and fuel efficiency. It is best to address the fault promptly.
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