P1512
Intake Manifold Runner Control Stuck Closed Bank 1
P1512 is an OBD-II diagnostic trouble code meaning: Intake Manifold Runner Control Stuck Closed Bank 1. Common causes: mechanical jamming of the imrc damper, malfunction of the solenoid valve or vacuum actuator. Estimated repair cost: $17–89.
Symptoms
- Reduced engine power at high speeds
- Uneven engine operation
- Increased fuel consumption
- Check engine light comes on
- Dips during acceleration
Causes
- Mechanical jamming of the IMRC damper
- Malfunction of the solenoid valve or vacuum actuator
- Open or short circuit in control circuit
- Damper position sensor malfunction
- Carbon accumulation in the intake system
How to Fix
- Visual inspection of IMRC dampers for mechanical damage
- Checking the Solenoid Valve/Vacuum Actuator
- Control circuit and wiring harness diagnostics
- Cleaning the intake manifold flaps and ducts
- Replacement of faulty components (drive, position sensor)
Related codes
Error P1512 by Vehicle Brand
FAQ
What does the P1512 code mean?
P1512 is an OBD-II diagnostic trouble code that indicates: Intake Manifold Runner Control Stuck Closed Bank 1
What causes a P1512 error code?
The most common causes of P1512 include: Mechanical jamming of the IMRC damper; Malfunction of the solenoid valve or vacuum actuator; Open or short circuit in control circuit; Damper position sensor malfunction.
How do I fix a P1512 diagnostic trouble code?
To fix P1512: Visual inspection of IMRC dampers for mechanical damage. Checking the Solenoid Valve/Vacuum Actuator. Control circuit and wiring harness diagnostics. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1512?
Limited driving only, diagnose soon
How much does it cost to fix P1512?
The estimated repair cost for P1512 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat