P2142 Code - Exhaust Gas Recirculation Throttle Control Circuit 'A' High
Quick Answer
P2142 indicates Exhaust Gas Recirculation Throttle Control Circuit 'A' High. Common causes for P2142 include wiring or connector problems, a faulty related sensor or actuator, and control module or calibration issues. 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
- P2142 indicates Exhaust Gas Recirculation Throttle Control Circuit 'A' High.
- Common causes
- Common causes for P2142 include wiring or connector problems, a faulty related sensor or actuator, and control module or calibration issues.
- 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.
Code P2142 Description
How to Fix the DTC P2142?
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 P2142 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
- P2142 Dodge — Exhaust Gas Recirculation Throttle Control Circuit 'A' High
Frequently Asked Questions about P2142 Code
What does the OBDII code P2142 mean?
P2142 indicates a high voltage issue in the Exhaust Gas Recirculation (EGR) Throttle Control Circuit 'A,' typically related to the EGR throttle valve or its wiring.
What are the common symptoms of code P2142?
Symptoms include rough idling, reduced engine performance, poor fuel efficiency, and the check engine light being illuminated.
What causes code P2142?
Common causes include a faulty EGR throttle valve, damaged or corroded wiring, a malfunctioning control module, or an electrical short in the circuit.
How is code P2142 diagnosed?
Technicians typically inspect the EGR throttle valve, check the wiring and connectors for damage, and use a multimeter to test voltage and continuity in the circuit.
Can I drive with code P2142?
Driving with this code can lead to reduced engine performance and potential damage to the emissions system. It’s best to address the issue promptly.
How do you fix code P2142?
Repairs may include replacing the EGR throttle valve, repairing or replacing damaged wiring, cleaning electrical connections, or reprogramming the control module.
Does code P2142 affect emissions?
Yes, P2142 can impact the EGR system, leading to increased emissions and potentially causing the vehicle to fail an emissions test.
What tools are needed to diagnose P2142?
You’ll need an OBDII scanner, a multimeter for testing electrical circuits, and possibly wiring diagrams for the EGR system.
How much does it cost to fix code P2142?
Repair costs vary depending on the cause but may range between $200 and $600 for parts and labor, with higher costs if the control module requires replacement.
Can a dirty EGR valve cause code P2142?
While a dirty EGR valve can cause performance issues, code P2142 is more commonly caused by electrical or circuit-related problems rather than dirt buildup.
Discuss the causes and fixes for P2142 OBDII Code
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