Codes › GENERIC › DTC-OBD2 › P042E
GENERIC • DTC-OBD2 • P042E Category: EmissionsEGR Control Stuck Open
EGR valve stuck open.
The ECU detects that the EGR valve is stuck in the open position. This can cause rough idle, stalling, or hesitation. Carbon buildup or actuator failure is often responsible.
Related DTC-OBD2 codes
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- DTC-OBD2 P2097 — Post Catalyst Fuel Trim System Too Rich (Bank 1)
- DTC-OBD2 P2096 — Post Catalyst Fuel Trim System Too Lean (Bank 1)
- DTC-OBD2 P207F — Reductant Quality Performance – Inducement
- DTC-OBD2 P206A — Reductant Quality Performance
Frequently Asked Questions
What does DTC-OBD2 code P042E mean?
DTC-OBD2 code P042E is a factory equipment code used by GENERIC to describe a specific vehicle configuration or component.
Where can I find DTC-OBD2 code P042E on my car?
This code is typically found in the vehicle’s factory build data, service documentation, or can be confirmed by decoding the VIN.
Does DTC-OBD2 code P042E affect maintenance or parts?
Yes. Factory codes determine correct parts selection, software compatibility, and service procedures for your exact vehicle configuration.
How can I verify DTC-OBD2 code P042E for my vehicle?
The most reliable way is to order a complete Vehicle Data Sheet decoded directly from your vehicle’s VIN.