P1212
Injector Control Pressure Voltage Not At Expected Level
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Difficulty starting the engine
- Loss of engine power
- Increased fuel consumption
- Unstable engine idling
- Check Engine Light Is On
Causes
- Fuel pressure sensor malfunction
- Problems with the high pressure fuel pump
- Open or short circuit in control circuit
- Fuel pressure regulator malfunction
- Problems with the engine control unit (ECU)
How to Fix
- Check the condition of the fuel pressure sensor
- Diagnose the high pressure fuel pump
- Check the integrity of the control circuit and connections
- Test the fuel pressure regulator
- If necessary, replace faulty components