P2A74
Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit Intermittent/Erratic
P2A74 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit Intermittent/Erratic. Common causes: open or short circuit in valve control circuit, poor contact in control circuit connectors. Estimated repair cost: $17–89.
Symptoms
- Unstable operation of the engine using alternative fuel
- Reduced engine power
- Check Engine Light Illuminates
- Problems with switching between fuel types
- Increased fuel consumption
Causes
- Open or short circuit in valve control circuit
- Poor contact in control circuit connectors
- Solenoid valve malfunction
- Wiring harness damage
- Engine control unit malfunction
How to Fix
- Check valve control circuit integrity
- Inspect connectors and contacts for corrosion or damage
- Check the resistance and operation of the solenoid valve
- Check the presence of power and control signals from the computer
- If necessary, replace the valve or repair the wiring
Related codes
Error P2A74 by Vehicle Brand
FAQ
What does the P2A74 code mean?
P2A74 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit Intermittent/Erratic
What causes a P2A74 error code?
The most common causes of P2A74 include: Open or short circuit in valve control circuit; Poor contact in control circuit connectors; Solenoid valve malfunction; Wiring harness damage.
How do I fix a P2A74 diagnostic trouble code?
To fix P2A74: Check valve control circuit integrity. Inspect connectors and contacts for corrosion or damage. Check the resistance and operation of the solenoid valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A74?
Limited driving only, diagnose soon
How much does it cost to fix P2A74?
The estimated repair cost for P2A74 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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