AutoCodes – Saturn – P014C Saturn

P014C Saturn Code - Oxygen Sensor Slow Response Rich to Lean Bank 1 Sensor 1

Quick Answer

The Powertrain Control Module (PCM) continuously monitors the Heated Oxygen Sensor (HO2S) activity for 100 seconds. Common causes include Faulty Heated Oxygen Bank 1 Sensor 1, Heated Oxygen Bank 1 Sensor 1 harness is open or shorted, Heated Oxygen Bank 1 Sensor 1 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: P014C Saturn indicates Oxygen Sensor Slow Response Rich to Lean Bank 1 Sensor 1.
Common causes: Common causes include Faulty Heated Oxygen Bank 1 Sensor 1, Heated Oxygen Bank 1 Sensor 1 harness is open or shorted, Heated Oxygen Bank 1 Sensor 1 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,402

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P014C Saturn Description

The Powertrain Control Module (PCM) continuously monitors the Heated Oxygen Sensor (HO2S) activity for 100 seconds. During the monitor period the PCM counts the number of times that the HO2S responds from rich to lean and from lean to rich and adds the amount of time it took to complete all transitions. With this information, the PCM can determine the average time for all transitions. If the average response time is too slow, a DTC sets.
The PCM determines the lean to rich transition when the HO2S voltage changes from less than 300 mV to greater than 600 mV. The PCM determines the rich to lean transition when the HO2S voltage changes from more than 600 mV to less than 300 mV. An HO2S that responds too slowly is most likely defective.

OBDII Code P014C Saturn - Oxygen Sensor Slow Response Rich to Lean Bank 1 Sensor 1 - AutoCodes.com — P014C Saturn Code - Oxygen Sensor Slow Response Rich to Lean Bank 1 Sensor 1

What does this mean?

What are the Possible Causes of the DTC P014C Saturn?

Faulty Heated Oxygen Bank 1 Sensor 1
Heated Oxygen Bank 1 Sensor 1 harness is open or shorted
Heated Oxygen Bank 1 Sensor 1 circuit poor electrical connection
Inappropriate fuel pressure
Faulty fuel injectors
Intake air leaks may be faulty
Exhaust gas leaks

How to Fix the DTC P014C Saturn?

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 P014C Saturn 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 P014C Saturn code?

Need more information on how to fix the P014C Saturn code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P014C Saturn code diagnosed by a professional: Find a repair shop in your area

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 P014C Saturn Code

1. What does the OBDII code P014C mean on a Saturn?

P014C indicates that the oxygen sensor on Bank 1 Sensor 1 has a slow response time when switching from a rich to a lean air-fuel mixture.

2. What are the common symptoms of a P014C code?

Symptoms may include poor fuel economy, rough idle, reduced engine performance, and a check engine light.

3. What causes the P014C code on a Saturn?

Common causes include a faulty oxygen sensor, exhaust leaks, wiring or connector issues, or a rich running condition from fuel system problems.

4. Which oxygen sensor is affected when P014C is triggered?

P014C refers to Bank 1 Sensor 1, which is the upstream oxygen sensor located before the catalytic converter on the side of the engine with cylinder 1.

5. Can a P014C code damage my vehicle if ignored?

Yes, ignoring the code can lead to long-term engine inefficiency, damage to the catalytic converter, and increased emissions.

6. How do you diagnose a P014C code?

Diagnosis involves checking the oxygen sensor's response time with a scan tool, inspecting for exhaust leaks, and testing wiring and connectors for damage or corrosion.

7. Can a dirty air filter cause a P014C code?

While unlikely, a dirty air filter can contribute to an incorrect air-fuel mixture, which may exacerbate sensor response issues.

8. How do you fix a P014C code on a Saturn?

Repairs may include replacing the oxygen sensor, fixing exhaust leaks, repairing damaged wiring, or addressing fuel system issues.

9. How much does it cost to fix a P014C code?

Replacing an oxygen sensor typically costs between $150 and $400, depending on labor rates and the specific vehicle model.

10. Can I drive my Saturn with a P014C code?

While the vehicle may still run, driving with this code is not recommended as it can worsen fuel efficiency and potentially damage the catalytic converter over time.