P2142
EGR Throttle Control Circuit A High
P2142 is an OBD-II diagnostic trouble code meaning: EGR Throttle Control Circuit A High. Common causes: open or short circuit in the egr throttle control circuit, egr throttle malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Unstable engine idling
- Increased fuel consumption
- Dips during acceleration
Causes
- Open or short circuit in the EGR throttle control circuit
- EGR throttle malfunction
- Connector problems or contact corrosion
- Engine control unit (ECU) malfunction
- Wiring harness damage
How to Fix
- Check the integrity of the EGR throttle control circuit
- Inspect connectors and contacts for corrosion or damage
- Check resistance and operation of the EGR throttle valve
- If necessary, replace the EGR throttle
- Check and, if necessary, replace damaged wires
Related codes
Error P2142 by Vehicle Brand
FAQ
What does the P2142 code mean?
P2142 is an OBD-II diagnostic trouble code that indicates: EGR Throttle Control Circuit A High
What causes a P2142 error code?
The most common causes of P2142 include: Open or short circuit in the EGR throttle control circuit; EGR throttle malfunction; Connector problems or contact corrosion; Engine control unit (ECU) malfunction.
How do I fix a P2142 diagnostic trouble code?
To fix P2142: Check the integrity of the EGR throttle control circuit. Inspect connectors and contacts for corrosion or damage. Check resistance and operation of the EGR throttle valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2142?
Yes, but get it checked soon
How much does it cost to fix P2142?
The estimated repair cost for P2142 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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