P1333 Code - Knock Sensor 4 High Input
Quick Answer
P1333 indicates Knock Sensor 4 High Input. Common causes include Faulty Knock Sensor, Knock Sensor harness is open or shorted, Knock Sensor circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P1333 indicates Knock Sensor 4 High Input.
- Common causes
- Common causes include Faulty Knock Sensor, Knock Sensor harness is open or shorted, Knock Sensor circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P1333 Description
What are the Possible Causes of the DTC P1333?
- Faulty Knock Sensor
- Knock Sensor harness is open or shorted
- Knock Sensor circuit poor electrical connection
How to Fix the DTC P1333?
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 P1333 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 P1333 code?
Need more information on how to fix the P1333 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1333 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P1333 BMW — Knock Sensor 4 High Input
- P1333 Hyundai — #3 MF Signal Line Short
- P1333 MINI — Knock Sensor 4 High Input
Frequently Asked Questions about P1333 Code
1. What are the common symptoms of OBDII code P1333 (Knock Sensor 4 High Input)?
- Common symptoms include engine knocking noises, reduced engine performance, and potentially an illuminated Check Engine Light.
2. What are some possible causes of OBDII code P1333 (Knock Sensor 4 High Input)?
- Potential causes include a faulty knock sensor, wiring issues in the knock sensor circuit, engine mechanical problems, or issues with the engine control module.
3. How serious is OBDII code P1333 (Knock Sensor 4 High Input)?
- While the severity can vary, it is important to address this issue promptly to prevent potential engine damage from pre-ignition or detonation.
4. How can I diagnose OBDII code P1333 (Knock Sensor 4 High Input)?
- Diagnosing this code often involves inspecting the knock sensor and its wiring, checking for engine mechanical issues, and using a scan tool to monitor sensor data.
5. Can I drive my vehicle with OBDII code P1333 (Knock Sensor 4 High Input)?
- It is generally not recommended to drive with this code present, as it can lead to performance issues and potential damage to the engine over time.
6. How can I repair OBDII code P1333 (Knock Sensor 4 High Input)?
- Repair options may include replacing the knock sensor, repairing any damaged wiring, addressing engine mechanical issues, or resetting the engine control module.
7. How much does it cost to fix OBDII code P1333 (Knock Sensor 4 High Input)?
- The cost of repair can vary depending on the specific issue causing the code, but it may involve parts and labor costs for sensor replacement or wiring repairs.
8. Can a DIY enthusiast fix OBDII code P1333 (Knock Sensor 4 High Input)?
- Depending on the skill level and tools available, some DIY enthusiasts may be able to address this code by replacing the knock sensor or repairing wiring issues.
9. How often does OBDII code P1333 (Knock Sensor 4 High Input) occur in vehicles?
- This code can occur in vehicles equipped with knock sensors, particularly in older vehicles or those with high mileage.
10. Is it necessary to reset the Check Engine Light after fixing OBDII code P1333 (Knock Sensor 4 High Input)?
- It is recommended to reset the Check Engine Light using a scan tool after addressing the underlying issue to ensure the code does not reappear.
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