P1407
Exhaust Gas Recirculation Flow Out Of Self-Test Range
P1407 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Recirculation Flow Out Of Self-Test Range. Common causes: egr valve malfunction (stuck or clogged), vacuum leak in the egr system. Estimated repair cost: $17–89.
Symptoms
- Rough engine idling
- Loss of engine power
- Increased fuel consumption
- Deterioration of vehicle dynamics
- Check Engine light comes on
Causes
- EGR valve malfunction (stuck or clogged)
- Vacuum leak in the EGR system
- Contamination of the EGR channel with deposits
- Problems with the EGR valve electrical circuit
- Malfunction of EGR valve position sensor (if installed)
How to Fix
- Check the condition of the EGR system pipes and connections for leaks
- Clean the EGR valve and channels from carbon deposits
- Check the resistance and operation of the EGR solenoid valve
- Inspect the wiring harness and contacts for damage
- Replace EGR valve if necessary
Related codes
Error P1407 by Vehicle Brand
FAQ
What does the P1407 code mean?
P1407 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Recirculation Flow Out Of Self-Test Range
What causes a P1407 error code?
The most common causes of P1407 include: EGR valve malfunction (stuck or clogged); Vacuum leak in the EGR system; Contamination of the EGR channel with deposits; Problems with the EGR valve electrical circuit.
How do I fix a P1407 diagnostic trouble code?
To fix P1407: Check the condition of the EGR system pipes and connections for leaks. Clean the EGR valve and channels from carbon deposits. Check the resistance and operation of the EGR solenoid valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1407?
Yes, but get it checked soon
How much does it cost to fix P1407?
The estimated repair cost for P1407 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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