P151A
Intake Manifold Runner Controller Performance
P151A is an OBD-II diagnostic trouble code meaning: Intake Manifold Runner Controller Performance. Common causes: jamming of the damper mechanism, control solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Reduced engine power
- Unstable idling
- Deterioration in acceleration dynamics
- Increased fuel consumption
- Check Engine Light Illuminates
Causes
- Jamming of the damper mechanism
- Control solenoid valve malfunction
- Open or short circuit in control circuit
- Problems with power or ground of the controller
- Engine control unit malfunction
How to Fix
- Check the mechanical part of the dampers for free movement
- Diagnose the control circuit (resistance, voltage)
- Check the operation of the solenoid valve
- Scan the control unit for additional errors
- If necessary, replace faulty components
Related codes
FAQ
What does the P151A code mean?
P151A is an OBD-II diagnostic trouble code that indicates: Intake Manifold Runner Controller Performance
What causes a P151A error code?
The most common causes of P151A include: Jamming of the damper mechanism; Control solenoid valve malfunction; Open or short circuit in control circuit; Problems with power or ground of the controller.
How do I fix a P151A diagnostic trouble code?
To fix P151A: Check the mechanical part of the dampers for free movement. Diagnose the control circuit (resistance, voltage). Check the operation of the solenoid valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P151A?
Limited driving only, diagnose soon
How much does it cost to fix P151A?
The estimated repair cost for P151A is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat