P141C Code - Exhaust Gas Recirculation Sensor 'C' Circuit Intermittent/Erratic
Quick Answer
The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation Sensor. Common causes include Faulty Exhaust Gas Recirculation Sensor, Exhaust Gas Recirculation Sensor harness is open or shorted, Exhaust Gas Recirculation Sensor circuit poor electrical connection. 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
- P141C indicates Exhaust Gas Recirculation Sensor 'C' Circuit Intermittent/Erratic.
- Common causes
- Common causes include Faulty Exhaust Gas Recirculation Sensor, Exhaust Gas Recirculation Sensor harness is open or shorted, Exhaust Gas Recirculation Sensor circuit poor electrical connection.
- 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.
Code P141C Description
What are the Possible Causes of the DTC P141C?
- Faulty Exhaust Gas Recirculation Sensor
- Exhaust Gas Recirculation Sensor harness is open or shorted
- Exhaust Gas Recirculation Sensor circuit poor electrical connection
How to Fix the DTC P141C?
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 P141C 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.
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Information for Specific Makes
- P141C Ford — Exhaust Gas Recirculation Sensor 'C' Circuit Intermittent/Erratic
- P141C Lincoln — Exhaust Gas Recirculation Sensor 'C' Circuit Intermittent/Erratic
- P141C Mercury — Exhaust Gas Recirculation Sensor 'C' Circuit Intermittent/Erratic
Frequently Asked Questions about P141C Code
1. What does the OBDII code P141C mean?
P141C indicates an issue with the Exhaust Gas Recirculation (EGR) sensor 'C' circuit, where the signal is intermittent or erratic, causing improper EGR functionality.
2. What are the common symptoms of a P141C code?
Symptoms may include a Check Engine Light, rough idling, reduced engine performance, poor fuel efficiency, or increased emissions.
3. What causes the P141C code to appear?
Common causes include a faulty EGR sensor, damaged wiring or connectors in the EGR circuit, carbon buildup in the EGR system, or a failing EGR valve.
4. How is P141C diagnosed?
A mechanic will use an OBDII scanner to confirm the code, inspect the EGR sensor and circuit for damage, and check for carbon buildup or other mechanical issues in the EGR system.
5. Can I drive with a P141C code?
While the vehicle may still run, driving with this code can lead to reduced performance, higher emissions, and potential engine damage over time if not addressed.
6. How can I fix the P141C code?
Repairs may involve cleaning the EGR valve and passages, replacing the EGR sensor, repairing damaged wiring or connectors, or replacing the EGR valve if it’s faulty.
7. What tools are needed to fix a P141C code?
Basic tools include an OBDII scanner, multimeter for electrical testing, and cleaning supplies for removing carbon deposits. Advanced tools may be required for EGR system replacement.
8. Can a dirty EGR valve cause the P141C code?
Yes, carbon buildup in the EGR valve or passages can disrupt sensor readings and cause the P141C code to trigger.
9. How much does it cost to fix a P141C code?
Repair costs vary, but replacing an EGR sensor or valve typically ranges between $150 and $400 depending on parts and labor.
10. How can I prevent the P141C code from recurring?
Regular maintenance, such as cleaning the EGR system and using high-quality fuel, can help prevent carbon buildup and ensure proper sensor operation.
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