RAM Truck Error Code P0676: How to Fix It

Q: Can I drive my RAM truck with error code P0676?

Yes, you can drive with P0676, but you may experience hard starting in cold weather and rough idling. The truck will start easier in warm conditions, but it's best to fix this issue promptly to prevent starting problems.

Q: How much does it cost to fix RAM P0676 error code?

If it's just a faulty glow plug, expect to pay $50-150 for parts and labor. If the glow plug control module needs replacement, costs can range from $300-800 depending on your specific RAM model and labor rates.

Q: What causes glow plug failure in RAM diesel engines?

Common causes include normal wear over time, carbon buildup, electrical issues in the control circuit, poor fuel quality, and excessive engine heat cycles. Most glow plugs last 80,000-100,000 miles under normal conditions.

Q: Will P0676 cause my RAM to fail emissions testing?

Yes, P0676 will likely cause your RAM to fail emissions testing. This code indicates an emissions-related malfunction that must be repaired and the code cleared before passing inspection.

Q: Should I replace all glow plugs when one fails?

While not required, it's often recommended to replace all glow plugs at once since they wear at similar rates. This prevents multiple service visits and ensures consistent performance across all cylinders.

Abstract

RAM error code P0676 indicates a problem with the glow plug circuit in cylinder 6 of your diesel engine. This error means the engine control module has detected an electrical issue preventing the glow plug from heating properly, which can cause hard starting and rough idling in cold conditions.