P1328
Cylinder 4 Knock Control Limit Attained
P1328 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Knock Control Limit Attained. Common causes: low quality fuel (low octane number), knock sensor malfunction. Estimated repair cost: $17–89.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Rattling sound from engine when accelerating
- Uneven engine operation
- Check Engine light comes on
Causes
- Low quality fuel (low octane number)
- Knock sensor malfunction
- Problems with the ignition system (plugs, coils)
- Carbon accumulation in the combustion chamber
- Problems with the cooling system (engine overheating)
How to Fix
- Check fuel quality and replace if necessary
- Diagnose and, if necessary, replace the knock sensor
- Check the condition of the spark plugs and coils
- Clean the combustion chamber from carbon deposits
- Check the engine cooling system
Related codes
Error P1328 by Vehicle Brand
FAQ
What does the P1328 code mean?
P1328 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Knock Control Limit Attained
What causes a P1328 error code?
The most common causes of P1328 include: Low quality fuel (low octane number); Knock sensor malfunction; Problems with the ignition system (plugs, coils); Carbon accumulation in the combustion chamber.
How do I fix a P1328 diagnostic trouble code?
To fix P1328: Check fuel quality and replace if necessary. Diagnose and, if necessary, replace the knock sensor. Check the condition of the spark plugs and coils. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1328?
Yes, but get it checked soon
How much does it cost to fix P1328?
The estimated repair cost for P1328 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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