P01E1
Cylinder 12 Injection Timing Performance - Over Retarded
P01E1 is an OBD-II diagnostic trouble code meaning: Cylinder 12 Injection Timing Performance - Over Retarded. Common causes: malfunction of the fuel injector of cylinder 12, problems with the fuel pump. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Dips during acceleration
Causes
- Malfunction of the fuel injector of cylinder 12
- Problems with the fuel pump
- Fuel system contamination
- Malfunction of sensors (mass air flow sensor, crankshaft position sensor, etc.)
- Problems with the injector wiring harness
How to Fix
- Check the condition of the fuel injector of cylinder 12
- Diagnose the operation of the fuel pump
- Check the pressure in the fuel system
- Inspect the wiring harness and injector connectors
- Check the operation of the sensors (mass air flow sensor, crankshaft position sensor, etc.)
- If necessary, replace faulty components
Related codes
Error P01E1 by Vehicle Brand
FAQ
What does the P01E1 code mean?
P01E1 is an OBD-II diagnostic trouble code that indicates: Cylinder 12 Injection Timing Performance - Over Retarded
What causes a P01E1 error code?
The most common causes of P01E1 include: Malfunction of the fuel injector of cylinder 12; Problems with the fuel pump; Fuel system contamination; Malfunction of sensors (mass air flow sensor, crankshaft position sensor, etc.).
How do I fix a P01E1 diagnostic trouble code?
To fix P01E1: Check the condition of the fuel injector of cylinder 12. Diagnose the operation of the fuel pump. Check the pressure in the fuel system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P01E1?
Limited driving only, diagnose soon
How much does it cost to fix P01E1?
The estimated repair cost for P01E1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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