P2291
Injector Control Pressure Too Low - Engine Cranking
P2291 is an OBD-II diagnostic trouble code meaning: Injector Control Pressure Too Low - Engine Cranking. Common causes: fuel pump malfunction, clogged fuel filter. Estimated repair cost: $22–167.
Symptoms
- The engine does not start or is difficult to start
- Unstable engine idling
- Loss of power during acceleration
- Check Engine Light Is On
- Increased fuel consumption
Causes
- Fuel pump malfunction
- Clogged fuel filter
- Fuel pressure regulator malfunction
- Problems with wiring or connectors
- Malfunction of the fuel rail pressure sensor
How to Fix
- Check the pressure in the fuel system
- Inspect the fuel filter for contamination
- Check the condition of the fuel pump
- Test the fuel pressure regulator
- Check the fuel rail pressure sensor circuit
Related codes
Error P2291 by Vehicle Brand
FAQ
What does the P2291 code mean?
P2291 is an OBD-II diagnostic trouble code that indicates: Injector Control Pressure Too Low - Engine Cranking
What causes a P2291 error code?
The most common causes of P2291 include: Fuel pump malfunction; Clogged fuel filter; Fuel pressure regulator malfunction; Problems with wiring or connectors.
How do I fix a P2291 diagnostic trouble code?
To fix P2291: Check the pressure in the fuel system. Inspect the fuel filter for contamination. Check the condition of the fuel pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2291?
Do not drive — repair immediately
How much does it cost to fix P2291?
The estimated repair cost for P2291 is $22–167. Actual cost depends on your vehicle, location, and labor rates.
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