P0328 Acura Code - Knock Sensor Circuit High Voltage
Quick Answer
The P0328 code in Acura vehicles indicates that there is a high voltage condition in the knock sensor circuit. Common causes include Faulty knock sensor, Wiring issues or harness damage, Corrosion or poor connections in the sensor circuit. 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 Acura indicates Knock Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty knock sensor, Wiring issues or harness damage, Corrosion or poor connections in the sensor circuit.
- 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 P0328 Acura Description
The P0328 code in Acura vehicles indicates that there is a high voltage condition in the knock sensor circuit. The knock sensor is a crucial component in the engine management system that detects vibrations and unusual noises caused by engine knock or detonation. When the knock sensor detects these abnormal conditions, it sends signals to the engine control module (ECM) to adjust the ignition timing and prevent damage to the engine.
Common Causes of P0328 Acura
- Faulty knock sensor
- Wiring issues or harness damage
- Corrosion or poor connections in the sensor circuit
- Engine mechanical problems causing actual knock or detonation
- ECM software or hardware issues
Symptoms of P0328 Acura
- Engine knocking or pinging noises
- Decreased engine performance or acceleration
- Illuminated check engine light
- Decreased fuel efficiency
- Engine misfires
How to Fix P0328 Acura
- Diagnose the issue by using a scan tool to read the code and perform a visual inspection of the knock sensor and its wiring.
- Test the knock sensor using a multimeter to check for proper resistance and voltage readings.
- Inspect the wiring harness for any damage, corrosion, or loose connections, and repair or replace as needed.
- Replace the knock sensor if it is found to be faulty or malfunctioning.
- Clear the code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0328 Acura
The cost of repairing a P0328 code in an Acura vehicle can vary depending on the specific model, the location of the repair shop, and the labor rates. Typically, the cost of a new knock sensor ranges from $50 to $150, while the labor cost for the repair can be between $100 and $300. Overall, the total repair cost for addressing a knock sensor circuit high voltage issue in an Acura vehicle may range from $150 to $450. It is recommended to get a personalized estimate from a local auto repair shop to get an accurate cost for this repair.
Need more information about the P0328 Acura code?
Need more information on how to fix the P0328 Acura code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0328 Acura code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0328 Acura Code
No Frequently Asked Questions about P0328 Acura Code found.
Discuss the causes and fixes for P0328 Acura OBDII Code
Code P0328 Acura 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.