Is it safe to drive a 2011 Saturn with code P0325?

You can typically drive with caution for short trips, but get it checked promptly.

How much does it cost to fix P0325 on a 2011 Saturn?

For a 2011 Saturn, repairs for P0325 typically cost between $150 and $500, depending on the specific cause and labor rates in your area.

What are common causes of P0325 on a 2011 Saturn?

Failed knock sensor, Corroded or broken wiring/connector at the sensor, Actual engine knock from carbon buildup or low-octane fuel.

OBD2 Code Decoder

Home/Saturn/2011/P0325

2011 Saturn P0325: What It Means & Is It Safe to Drive?

P0325 on the 2011 Saturn: Knock Sensor 1 Circuit Malfunction (Bank 1). Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.

PowertrainMedium urgency

What this code means

The PCM isn't receiving a valid signal from knock sensor 1. Without knock feedback, the PCM retards ignition timing as a safety measure, reducing power and economy.

Common causes on the 2011 Saturn

Failed knock sensor
Corroded or broken wiring/connector at the sensor
Actual engine knock from carbon buildup or low-octane fuel

Symptoms

Check Engine Light
Reduced power and fuel economy (PCM retards timing)
Possible audible knock or ping under load

Typical fixes

Replace knock sensor
Repair wiring and connector
Use correct octane fuel and address carbon buildup

Repair cost range

For a 2011 Saturn, repairs for P0325 typically fall between $150 and $500, depending on the root cause and labor rates in your area.

Is it safe to keep driving your 2011 Saturn with this code?

For driving-safety guidance—how far you can go, when to tow, and what's urgent—see these checklists:

Can you drive with engine knocking?

See all codes for your Saturn

Looking for a different code, or want the full guide without the year filter?

P0325 on all Saturn years →All Saturn codes →