P0303 2006 Infiniti G35 Code - Number 3 Cylinder Misfire Detected
Quick Answer
When a misfire occurs, engine speed will fluctuate. Common causes include Faulty Spark Plug #3, Clogged or faulty Fuel Injector #3, Faulty Ignition Coil #3. 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
- P0303 2006 Infiniti G35 indicates Number 3 Cylinder Misfire Detected.
- Common causes
- Common causes include Faulty Spark Plug #3, Clogged or faulty Fuel Injector #3, Faulty Ignition Coil #3.
- 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 P0303 2006 Infiniti G35 Description
What are the Possible Causes of the DTC P0303 2006 Infiniti G35?
- Faulty Spark Plug #3
- Clogged or faulty Fuel Injector #3
- Faulty Ignition Coil #3
- Fuel Injector #3 harness is open or shorted
- Fuel Injector #3 circuit poor electrical connection
- Ignition Coil #3 harness is open or shorted
- Ignition Coil #3 circuit poor electrical connection
- Insufficient cylinder 3 compression
- Incorrect fuel pressure
- Intake air leak
How to Fix the DTC P0303 2006 Infiniti G35?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0303 2006 Infiniti G35 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 P0303 2006 Infiniti G35 Code
1. What are the common symptoms of OBDII code P0303 (Number 3 Cylinder Misfire Detected) on a 2006 Infiniti G35?
- Common symptoms include engine misfiring, rough idling, loss of power, and potentially increased fuel consumption.
2. What are the possible causes of a P0303 code on a 2006 Infiniti G35?
- The code can be triggered by issues such as faulty spark plugs, ignition coils, fuel injectors, vacuum leaks, or low compression in the number 3 cylinder.
3. How can I diagnose the source of a misfire in the number 3 cylinder of my 2006 Infiniti G35?
- Diagnostic steps may include checking spark plugs, ignition coils, fuel injectors, compression levels, vacuum leaks, and performing a power balance test.
4. Can driving with a misfire due to a P0303 code damage my 2006 Infiniti G35?
- Continuing to drive with a misfire can potentially cause damage to the catalytic converter and other engine components, so it's advisable to address the issue promptly.
5. Is it safe to continue driving my 2006 Infiniti G35 with a P0303 code?
- While you may be able to drive the car for a short distance to reach a repair shop, it is recommended to address the underlying issue causing the misfire as soon as possible to prevent further damage.
6. How much does it typically cost to repair a P0303 misfire code on a 2006 Infiniti G35?
- The cost of repairs can vary depending on the root cause of the misfire, but it may involve replacing spark plugs, ignition coils, fuel injectors, or addressing other related issues. Costs can range from a couple of hundred dollars to over a thousand dollars.
7. Can I reset the OBDII code P0303 on my 2006 Infiniti G35 without fixing the underlying issue?
- While you can clear the code using an OBDII scanner, it will likely reappear if the root cause of the misfire is not addressed. It's important to fix the underlying problem to prevent ongoing issues.
8. Are there any DIY tips for resolving a P0303 code on a 2006 Infiniti G35?
- DIY tips may include checking and replacing spark plugs, inspecting ignition coils, cleaning or replacing fuel injectors, and ensuring there are no vacuum leaks in the system.
9. How long does it usually take to repair a P0303 code on a 2006 Infiniti G35?
- The repair time can vary based on the specific cause of the misfire, but it typically takes a few hours to a day for a mechanic to diagnose and fix the issue.
10. Can a P0303 code on a 2006 Infiniti G35 be a recurring problem?
- If the underlying cause of the misfire is not properly addressed, the P0303 code may reappear, indicating that the issue was not fully resolved. Regular maintenance and prompt repairs can help prevent it from becoming a recurring problem.
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