P0351 Pontiac Code - Ignition Coil 1 Control Circuit
Quick Answer
The P0351 diagnostic trouble code (DTC) in a Pontiac indicates a problem with the ignition coil 1 control circuit. Common causes include Faulty ignition coil, Defective wiring or connectors in the ignition coil circuit, Malfunctioning powertrain control module (PCM). 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
- P0351 Pontiac indicates Ignition Coil 1 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil, Defective wiring or connectors in the ignition coil circuit, Malfunctioning powertrain control module (PCM).
- 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 P0351 Pontiac Description
The P0351 diagnostic trouble code (DTC) in a Pontiac indicates a problem with the ignition coil 1 control circuit. The ignition coil is a crucial component in the ignition system of a vehicle, responsible for converting the low voltage from the battery into the high voltage needed to ignite the fuel-air mixture in the engine's cylinders. The ignition coil control circuit is responsible for sending the signal to the ignition coil to fire at the correct time. When this circuit malfunctions, it can lead to misfires, poor engine performance, and even stalling.
Common Causes of P0351 Pontiac
- Faulty ignition coil
- Defective wiring or connectors in the ignition coil circuit
- Malfunctioning powertrain control module (PCM)
- Poor electrical connection
- Excessive heat or vibration affecting the ignition coil
Symptoms of P0351 Pontiac
- Rough idling
- Engine misfires
- Poor acceleration
- Decreased fuel efficiency
- Stalling
How to Fix P0351 Pontiac
- Diagnose the issue by using a scan tool to confirm the P0351 code and inspecting the ignition coil and its wiring for any visible damage.
- Replace the faulty ignition coil if it is found to be the cause of the issue.
- Check and repair any damaged wiring or connectors in the ignition coil circuit.
- Test the powertrain control module (PCM) to ensure it is functioning correctly and replace if necessary.
- Clear the trouble code from the PCM's memory and test drive the vehicle to confirm that the issue has been resolved.
Cost to Fix P0351 Pontiac
The typical repair costs for addressing a P0351 code in a Pontiac can range from $150 to $300, depending on the specific cause of the issue and the cost of parts and labor. It is essential to consider that diagnosis time and labor rates at auto repair shops can vary, so it is advisable to check local rates for a more accurate estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less for repairs.
Need more information about the P0351 Pontiac code?
Need more information on how to fix the P0351 Pontiac code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0351 Pontiac code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0351 Pontiac Code
1. What are the common symptoms of OBDII code P0351 in a Pontiac related to the Ignition Coil 1 Control Circuit?
- Common symptoms include engine misfires, rough idling, lack of power, and illuminated check engine light.
2. What are the possible causes of OBDII code P0351 in a Pontiac?
- The code P0351 typically indicates a problem with the ignition coil for cylinder 1, such as a faulty coil, damaged wiring, or a poor connection.
3. How can I diagnose the issue causing OBDII code P0351 in my Pontiac?
- You can diagnose the issue by checking the ignition coil for cylinder 1, inspecting the wiring for any damage or loose connections, and using a scan tool to monitor the ignition system.
4. Can a bad spark plug cause OBDII code P0351 in a Pontiac?
- Yes, a faulty spark plug can potentially cause code P0351 by affecting the performance of the ignition coil for cylinder 1.
5. What are some repair tips for addressing OBDII code P0351 in a Pontiac?
- Repair tips include replacing the ignition coil for cylinder 1, inspecting and repairing any damaged wiring, ensuring proper connections, and checking the spark plug for signs of wear or damage.
6. Is it safe to continue driving my Pontiac with OBDII code P0351 present?
- It is not recommended to drive your Pontiac with code P0351 present, as it can lead to engine performance issues and potential damage if left unresolved.
7. How much does it typically cost to repair OBDII code P0351 in a Pontiac?
- The cost of repairing code P0351 can vary depending on the specific issue, but it generally involves replacing the ignition coil, which can range from $100 to $300 including parts and labor.
8. Can I reset OBDII code P0351 in my Pontiac using a scan tool?
- Yes, you can reset the code using a scan tool, but it is important to address the underlying issue causing the code to prevent it from reoccurring.
9. Will disconnecting the battery reset OBDII code P0351 in my Pontiac?
- Disconnecting the battery may reset the code temporarily, but it is not a recommended method as it may not address the root cause of the issue.
10. How can I prevent OBDII code P0351 from appearing in my Pontiac in the future?
- To prevent code P0351, you should perform regular maintenance on your ignition system, including checking and replacing spark plugs, inspecting ignition coils, and ensuring proper wiring connections.
Discuss the causes and fixes for P0351 Pontiac OBDII Code
Code P0351 Pontiac 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.