P02E4
Diesel Intake Air Flow A Control Stuck Open
P02E4 is an OBD-II diagnostic trouble code meaning: Diesel Intake Air Flow A Control Stuck Open. Common causes: sticking exhaust gas recirculation (egr) valve, malfunction of the solenoid valve (solenoid). Estimated repair cost: $56–167.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Rough idling
- Black smoke from the exhaust pipe
Causes
- Sticking Exhaust Gas Recirculation (EGR) Valve
- Malfunction of the solenoid valve (solenoid)
- Open or shorted wiring harness
- Mechanical damage to the damper
- Problems with the ECU
How to Fix
- Check the operation of the EGR valve and its electrical connections
- Inspect the wiring harness for damage
- Check the resistance and operation of the solenoid
- Clean or replace the flapper/valve if dirty or damaged
- Reset error and test drive
Related codes
Error P02E4 by Vehicle Brand
FAQ
What does the P02E4 code mean?
P02E4 is an OBD-II diagnostic trouble code that indicates: Diesel Intake Air Flow A Control Stuck Open
What causes a P02E4 error code?
The most common causes of P02E4 include: Sticking Exhaust Gas Recirculation (EGR) Valve; Malfunction of the solenoid valve (solenoid); Open or shorted wiring harness; Mechanical damage to the damper.
How do I fix a P02E4 diagnostic trouble code?
To fix P02E4: Check the operation of the EGR valve and its electrical connections. Inspect the wiring harness for damage. Check the resistance and operation of the solenoid. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P02E4?
Limited driving only, diagnose soon
How much does it cost to fix P02E4?
The estimated repair cost for P02E4 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat