P2304 Mercury Code - Ignition Coil 'B' Primary Control Circuit High
Quick Answer
The diagnostic trouble code P2304 for Mercury vehicles indicates a problem with the ignition coil 'B' primary control circuit being too high. Common causes include Faulty ignition coil 'B', Damaged wiring or connectors in the primary control circuit, Issues with the engine control module (ECM). 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
- P2304 Mercury indicates Ignition Coil 'B' Primary Control Circuit High.
- Common causes
- Common causes include Faulty ignition coil 'B', Damaged wiring or connectors in the primary control circuit, Issues with the engine control module (ECM).
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P2304 Mercury Description
The diagnostic trouble code P2304 for Mercury vehicles indicates a problem with the ignition coil 'B' primary control circuit being too high. The ignition coil is responsible for converting the low voltage from the battery into the high voltage needed to ignite the fuel in the engine's combustion chambers. When the primary control circuit is reading high, it means that there is excessive resistance in the circuit, which can prevent the ignition coil from functioning properly.
Common Causes of P2304 Mercury
- Faulty ignition coil 'B'
- Damaged wiring or connectors in the primary control circuit
- Issues with the engine control module (ECM)
- Corrosion or moisture in the ignition system components
- Electrical issues such as a blown fuse or relay
Symptoms of P2304 Mercury
- Engine misfires
- Rough idle
- Hesitation or lack of acceleration
- Decreased fuel efficiency
- Engine stalling
How to Fix P2304 Mercury
- Diagnose the issue by using a multimeter to test the resistance in the ignition coil 'B' primary control circuit.
- Inspect the wiring and connectors for any damage or corrosion, and repair or replace as needed.
- Test the ignition coil 'B' for proper functioning and replace if faulty.
- Clear the diagnostic trouble codes and reset the ECM to see if the issue is resolved.
- Perform a road test to ensure the vehicle is running smoothly and there are no further issues.
Cost to Fix P2304 Mercury
The typical repair costs for addressing the ignition coil 'B' primary control circuit high code can vary depending on the specific cause of the issue. On average, replacing an ignition coil can cost between $100 and $300, while repairing wiring or connectors may range from $50 to $150. Labor costs can add another $100 to $200, depending on the shop's hourly rate and the time required for diagnostics and repairs. Overall, the total cost for resolving this issue can range from $250 to $650. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your vehicle's make and model.
Need more information about the P2304 Mercury code?
Need more information on how to fix the P2304 Mercury code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2304 Mercury code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2304 Mercury Code
No Frequently Asked Questions about P2304 Mercury Code found.
Discuss the causes and fixes for P2304 Mercury OBDII Code
Code P2304 Mercury comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.