P042E
EGR A Control Stuck Open
P042E is an OBD-II diagnostic trouble code meaning: EGR A Control Stuck Open. Common causes: egr valve dirty, egr solenoid malfunction. Estimated repair cost: $56–167.
Symptoms
- Unstable idle
- Power Loss
- Increased fuel consumption
- The engine stalls
Causes
- EGR valve dirty
- EGR solenoid malfunction
- Mechanical damage to the EGR valve
- Problems with wiring or harness
- Engine control unit malfunction
How to Fix
- Check the condition of the EGR valve
- Clean or replace EGR valve
- Check the operation of the EGR solenoid
- Check wiring and connections
- If necessary, replace the engine control unit
Related codes
Error P042E by Vehicle Brand
FAQ
What does the P042E code mean?
P042E is an OBD-II diagnostic trouble code that indicates: EGR A Control Stuck Open
What causes a P042E error code?
The most common causes of P042E include: EGR valve dirty; EGR solenoid malfunction; Mechanical damage to the EGR valve; Problems with wiring or harness.
How do I fix a P042E diagnostic trouble code?
To fix P042E: Check the condition of the EGR valve. Clean or replace EGR valve. Check the operation of the EGR solenoid. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P042E?
Limited driving only, diagnose soon
How much does it cost to fix P042E?
The estimated repair cost for P042E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat