AutoCodes – Scion – P0328 2007 Scion xB

P0328 2007 Scion xB Code - Knock Sensor 1 Circuit High Input

Quick Answer

The knock sensor is attached to the cylinder block. Common causes include Faulty knock sensor, Knock sensor circuit poor electrical connection, Knock sensor harness is open or shorted. 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: P0328 2007 Scion xB indicates Knock Sensor 1 Circuit High Input.
Common causes: Common causes include Faulty knock sensor, Knock sensor circuit poor electrical connection, Knock sensor harness is open or shorted.
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.

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Code Popularity 5,041

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0328 2007 Scion xB Description

The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the Engine Control Module (ECM).

OBDII Code P0328 2007 Scion xB - Knock Sensor 1 Circuit High Input - AutoCodes.com — P0328 2007 Scion xB Code - Knock Sensor 1 Circuit High Input

What does this mean?

What are the Possible Causes of the DTC P0328 2007 Scion xB?

Faulty knock sensor
Knock sensor circuit poor electrical connection
Knock sensor harness is open or shorted
Faulty Engine Control Module (ECM)

How to Fix the DTC P0328 2007 Scion xB?

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 does this mean?

Code Tech Notes

The P0327 code means that the Knock Sensor is not working properly. Replacing the knock sensor usually takes care of the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0328 2007 Scion xB 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 P0328 2007 Scion xB code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0328 2007 Scion xB Code

1. What are the common symptoms of OBDII code P0328 on a 2007 Scion xB?

- Common symptoms include poor engine performance, knocking noises from the engine, reduced fuel efficiency, and in some cases, the Check Engine light may illuminate.

2. What is the primary cause of OBDII code P0328 on a 2007 Scion xB?

- The primary cause is usually a faulty knock sensor or a problem with the knock sensor circuit, leading to a high input signal being sent to the engine control module (ECM).

3. How does a malfunctioning knock sensor affect the performance of a 2007 Scion xB?

- A malfunctioning knock sensor can cause the engine to run poorly, decrease fuel efficiency, and potentially lead to engine damage if not addressed promptly.

4. Can I still drive my 2007 Scion xB with OBDII code P0328 present?

- It is not recommended to drive the vehicle with a faulty knock sensor as it can lead to further engine damage. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose a faulty knock sensor on my 2007 Scion xB?

- Diagnosing a faulty knock sensor typically involves using a scan tool to read the OBDII code, as well as performing a visual inspection of the sensor and its wiring for any signs of damage or corrosion.

6. Is it possible to repair the knock sensor circuit high input issue on a 2007 Scion xB without professional help?

- While some DIY enthusiasts may attempt to repair the knock sensor circuit themselves, it is recommended to seek professional help to ensure the issue is properly diagnosed and repaired.

7. What are the repair options for fixing OBDII code P0328 on a 2007 Scion xB?

- Repair options may include replacing the knock sensor, repairing or replacing damaged wiring, or resetting the ECM after the issue has been resolved.

8. Are there any preventive measures to avoid OBDII code P0328 from recurring on a 2007 Scion xB?

- To prevent the reoccurrence of OBDII code P0328, it is essential to perform regular maintenance on the vehicle, including checking the knock sensor and its wiring for any signs of wear or damage.

9. How much does it typically cost to repair OBDII code P0328 on a 2007 Scion xB?

- The cost of repairing OBDII code P0328 can vary depending on the extent of the issue and the labor rates in your area. It is advisable to obtain quotes from different repair shops for an accurate estimate.

10. Can resetting the Check Engine light resolve OBDII code P0328 on a 2007 Scion xB?

- Simply resetting the Check Engine light will not fix the underlying issue causing OBDII code P0328. It is essential to diagnose the problem and address it to prevent further issues.