P142A Chevrolet Code - EGR Temperature Sensor 2 Intake Air Temperature 2 Not Plausible
Quick Answer
The Exhaust Gas Recirculation (EGR) Temperature Sensors are variable resistors that measure the temperature of the exhaust gas at the inlet and outlet of the EGR cooler. Common causes include Faulty Exhaust Gas Recirculation (EGR) Temperature Sensor 2, Exhaust Gas Recirculation Temperature Sensor 2 harness is open or shorted, Exhaust Gas Recirculation Temperature Sensor 2 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
- P142A Chevrolet indicates EGR Temperature Sensor 2 Intake Air Temperature 2 Not Plausible.
- Common causes
- Common causes include Faulty Exhaust Gas Recirculation (EGR) Temperature Sensor 2, Exhaust Gas Recirculation Temperature Sensor 2 harness is open or shorted, Exhaust Gas Recirculation Temperature Sensor 2 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 P142A Chevrolet Description
The Diagnostic Trouble Code (DTC) will be set if the ECM detects that the EGR cooler temperature sensor 1 or 2 is greater than 20°C (36°F) different from Intake Air Temperature (IAT) sensor 2.
What are the Possible Causes of the DTC P142A Chevrolet?
- Faulty Exhaust Gas Recirculation (EGR) Temperature Sensor 2
- Exhaust Gas Recirculation Temperature Sensor 2 harness is open or shorted
- Exhaust Gas Recirculation Temperature Sensor 2 circuit poor electrical connection
How to Fix the DTC P142A Chevrolet?
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 P142A Chevrolet 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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Frequently Asked Questions about P142A Chevrolet Code
1. What are the common symptoms of OBDII code P142A in a Chevrolet related to the EGR Temperature Sensor 2 Intake Air Temperature 2 Not Plausible?
The common symptoms include rough idling, engine misfires, decreased fuel efficiency, and the illumination of the Check Engine Light.
2. What are the potential causes of OBDII code P142A in a Chevrolet indicating an issue with the EGR Temperature Sensor 2 Intake Air Temperature 2?
Possible causes include a faulty EGR temperature sensor, a malfunctioning intake air temperature sensor, wiring issues, or a problem with the engine control module (ECM).
3. How can I diagnose the OBDII code P142A in my Chevrolet related to the EGR Temperature Sensor 2 Intake Air Temperature 2?
Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, checking the EGR and intake air temperature sensor readings, inspecting the wiring for any damage, and testing the sensors for proper functionality.
4. Can I continue driving my Chevrolet with the OBDII code P142A related to the EGR Temperature Sensor 2 Intake Air Temperature 2 issue?
It is not recommended to drive the vehicle for an extended period with this issue, as it can lead to further engine problems and potential damage. It's best to address the problem promptly.
5. What are some repair tips for fixing OBDII code P142A in a Chevrolet indicating a problem with EGR Temperature Sensor 2 Intake Air Temperature 2?
Repair tips may include replacing the faulty EGR temperature sensor or intake air temperature sensor, repairing any damaged wiring, and resetting the ECM to clear the fault code.
6. Can a DIY enthusiast fix the OBDII code P142A issue related to the EGR Temperature Sensor 2 Intake Air Temperature 2?
Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address this issue by following repair guides and using the necessary diagnostic equipment.
7. How much does it typically cost to repair the OBDII code P142A in a Chevrolet due to the EGR Temperature Sensor 2 Intake Air Temperature 2 problem?
The cost of repair can vary based on the specific issue, parts needed, labor rates, and whether the repair is done at a dealership or an independent repair shop. It's advisable to obtain quotes from different sources.
8. Are there any recalls or technical service bulletins related to OBDII code P142A in Chevrolet vehicles concerning the EGR Temperature Sensor 2 Intake Air Temperature 2 issue?
It's recommended to check with a Chevrolet dealership or the manufacturer's website to see if there are any recalls or technical service bulletins related to this specific problem, as they may offer solutions or guidance.
9. What steps should I take if the OBDII code P142A keeps reappearing in my Chevrolet after repairs related to the EGR Temperature Sensor 2 Intake Air Temperature 2?
If the code persists after repairs, it may indicate an underlying issue that was not fully addressed. Revisiting the diagnostic process, double-checking the repairs, or seeking professional assistance may be necessary.
10. How often should the EGR temperature sensor and intake air temperature sensor be inspected in a Chevrolet to prevent the occurrence of OBDII code P142A?
Regular maintenance schedules vary, but it's advisable to follow the manufacturer's recommendations for sensor inspections, especially during routine service intervals, to help prevent issues like OBDII code P142A from occurring.
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