P142C Code - Exhaust Gas Recirculation Sensor 'D' Range/Performance
Quick Answer
The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation Sensor 'D'. Common causes include Faulty Exhaust Gas Recirculation Sensor 'D', Exhaust Gas Recirculation Sensor 'D' harness is open or shorted, Exhaust Gas Recirculation Sensor 'D' 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
- P142C indicates Exhaust Gas Recirculation Sensor 'D' Range/Performance.
- Common causes
- Common causes include Faulty Exhaust Gas Recirculation Sensor 'D', Exhaust Gas Recirculation Sensor 'D' harness is open or shorted, Exhaust Gas Recirculation Sensor 'D' 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 P142C Description
What are the Possible Causes of the DTC P142C?
- Faulty Exhaust Gas Recirculation Sensor 'D'
- Exhaust Gas Recirculation Sensor 'D' harness is open or shorted
- Exhaust Gas Recirculation Sensor 'D' circuit poor electrical connection
How to Fix the DTC P142C?
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 P142C 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
- P142C Buick — Particulate Matter Sensor Control Module Temperature Sensor 1 Low Voltage
- P142C Cadillac — Particulate Matter Sensor Control Module Temperature Sensor 1 Low Voltage
- P142C Chevrolet — Particulate Matter Sensor Control Module Temperature Sensor 1 Low Voltage
- P142C Ford — Exhaust Gas Recirculation Sensor 'D' Range/Performance
- P142C GMC — Particulate Matter Sensor Control Module Temperature Sensor 1 Low Voltage
- P142C Lincoln — Exhaust Gas Recirculation Sensor 'D' Range/Performance
- P142C Mercury — Exhaust Gas Recirculation Sensor 'D' Range/Performance
Frequently Asked Questions about P142C Code
1. What are the common symptoms of OBDII code P142C (Exhaust Gas Recirculation Sensor 'D' Range/Performance)?
- Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and an illuminated check engine light.
2. What are the potential causes of OBDII code P142C?
- Possible causes include a faulty EGR sensor 'D', clogged EGR passages, wiring issues, or a problem with the EGR valve itself.
3. How can I diagnose the issue related to code P142C?
- Diagnosing the issue involves performing a thorough inspection of the EGR system, checking the sensor 'D' for proper operation, and testing the EGR valve and related components.
4. Can I drive my vehicle with code P142C present?
- It is not recommended to drive for an extended period with this code present, as it can lead to further engine damage and decreased performance.
5. What are some repair tips for fixing code P142C?
- Repair tips include cleaning or replacing the EGR sensor 'D', checking and cleaning EGR passages, ensuring proper wiring connections, and inspecting the EGR valve for proper function.
6. Will resetting the check engine light resolve code P142C?
- Resetting the check engine light may temporarily turn it off, but it will not fix the underlying issue causing code P142C. Proper diagnosis and repair are necessary.
7. How much does it typically cost to repair OBDII code P142C?
- The cost of repairs can vary depending on the specific cause of the issue, but it may range from $100 to $500 or more, including parts and labor.
8. How urgent is it to address OBDII code P142C?
- It is recommended to address code P142C promptly to prevent further damage to the engine and ensure optimal vehicle performance and fuel efficiency.
9. Can a DIY enthusiast fix OBDII code P142C at home?
- Depending on the DIYer's skill level and access to tools, some repairs related to code P142C, such as sensor replacement or cleaning, can be performed at home. However, complex issues may require professional assistance.
10. Is code P142C a common problem in certain vehicle makes and models?
- Code P142C related to the Exhaust Gas Recirculation Sensor 'D' is more common in vehicles equipped with EGR systems, especially in older models or those with high mileage.
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