P01E1

Cylinder 12 Injection Timing Performance - Over Retarded

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

P01E0 P01E2 P0200 P0300