P0350 Mazda Code - Ignition Coil Primary Circuit Fault
Quick Answer
The ignition signal from the Engine Control Module (ECM) is sent to and amplified by the power transistor. Common causes include Faulty Ignition Coil Primary/Secondary, Ignition Coil Primary/Secondary harness is open or shorted, Ignition Coil Primary/Secondary 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
- P0350 Mazda indicates Ignition Coil Primary Circuit Fault.
- Common causes
- Common causes include Faulty Ignition Coil Primary/Secondary, Ignition Coil Primary/Secondary harness is open or shorted, Ignition Coil Primary/Secondary 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 P0350 Mazda Description
What are the Possible Causes of the DTC P0350 Mazda?
- Faulty Ignition Coil Primary/Secondary
- Ignition Coil Primary/Secondary harness is open or shorted
- Ignition Coil Primary/Secondary circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0350 Mazda?
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 P0350 Mazda 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.
Need more information about the P0350 Mazda code?
Need more information on how to fix the P0350 Mazda code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0350 Mazda code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0350 Mazda Code
1. What does the OBDII code P0350 mean for a Mazda?
P0350 indicates an issue with the primary or secondary circuit of one or more ignition coils, which are responsible for providing spark to the engine.
2. What are the common symptoms of code P0350 in a Mazda?
Symptoms may include engine misfires, rough idling, poor acceleration, reduced fuel efficiency, and the Check Engine Light turning on.
3. What causes the P0350 code to appear in a Mazda?
Causes can include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a defective powertrain control module (PCM), or a blown fuse.
4. Can a bad spark plug cause the P0350 code in a Mazda?
While unlikely, a faulty spark plug can indirectly contribute to ignition coil issues, which could trigger the P0350 code.
5. How do you diagnose the P0350 code in a Mazda?
Diagnosis involves checking the ignition coil for proper operation, inspecting the wiring and connectors for damage, and testing the PCM for faults.
6. Can you drive a Mazda with the P0350 code?
Driving with this code is not recommended, as it can lead to engine misfires, reduced performance, and potential damage to other components like the catalytic converter.
7. How is the P0350 code fixed in a Mazda?
Repairs may include replacing the faulty ignition coil, repairing or replacing damaged wires or connectors, or, in rare cases, replacing the PCM.
8. How much does it cost to fix the P0350 code in a Mazda?
Repair costs can range from $100 to $300, depending on whether you need an ignition coil replacement or wiring repairs. PCM replacement can cost significantly more.
9. Can a weak battery cause the P0350 code in a Mazda?
A weak battery is not a common cause, but low voltage can exacerbate ignition coil issues, potentially setting this code.
10. How can I prevent the P0350 code from occurring in my Mazda?
Regular maintenance, such as inspecting ignition coils, spark plugs, and wiring, can help prevent issues that trigger the P0350 code.
Discuss the causes and fixes for P0350 Mazda OBDII Code
Code P0350 Mazda 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.
