The OBD code P1518 for Ford indicates an issue with the Intake Manifold Runner Control (IMRC) system.
Symptoms include the Engine Light being ON.
The main cause is a faulty IMRC actuator or related wiring issues.
This code is not extremely serious but can affect engine performance.
To fix it, inspect the IMRC actuator, wiring harness, and connectors for any damage or poor connections.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 6.67 (Out of 10) |
Symptoms of the Ford p1518 OBD Code
The vehicle may experience rough idling, stalling, or poor acceleration with Ford code P1518.
- Symptoms: Engine Light ON.
- Rough idle may be present.
- Vehicle may hesitate or stumble during acceleration.
- The engine may stall at times.
- The vehicle may exhibit poor fuel economy.
Causes of the Ford p1518 OBD Code
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P1518 in Ford vehicles typically indicates a fault related to the intake manifold runner control system.
- P1518 can be caused by a faulty Intake Manifold Runner Control (IMRC) actuator.
- An open or shorted Intake Manifold Runner Control actuator harness.
- A poor electrical connection in the Intake Manifold Runner Control actuator circuit.
- A faulty Powertrain Control Module (PCM).
Fixing Ford Error Code p1518 Step By Step
Address the intake manifold runner control stuck open fault code by inspecting and cleaning the IMRC system.
- To fix Ford OBDII code P1518, start by reviewing the possible causes mentioned above.
- Visually examine the corresponding wiring harness and connectors for any damage.
- Check the connector pins for signs of being broken, bent, pushed out, or corroded.
- Inspect the Intake Manifold Runner Control (IMRC) for any issues or blockages.
- Clean or replace the IMRC if necessary.
- Reset the Engine Control Module (ECM) to clear the code.
- Test drive the vehicle to ensure the code does not return.
Cost Of Fixing Ford p1518 Fault Code
The repair for Ford P1518 may involve replacing the intake manifold runner control (IMRC) actuator.
The cost to diagnose and fix the Ford OBD code P1518 typically ranges from $75 to $150, based on a 1. 0hour repair time.
Factors like shop rates and complexity can affect the final cost.
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Details of the Ford p1518 OBD Code
Ford code P1518 relates to the intake manifold runner control fault.
Ford OBD code P1518 means Intake Manifold Runner Control (IMRC) malfunction stuck open.
This code is triggered by the Powertrain Control Module (PCM) when it detects that the Intake Manifold Runner Control system is not functioning properly.
The IMRC system controls the intake manifold runner flaps to optimize airflow into the engine for better performance and efficiency.
When the system is stuck open, it can affect engine performance and fuel economy.
Mechanic’s Tech Notes
Detailed information on Ford code P1518, which relates to the intake manifold runner control fault.
To diagnose and fix OBDII code P1518 on a Ford vehicle, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
If communication issues are detected, reprogramming or reflashing the TCM may be necessary.
Additionally, inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.
This thorough inspection will help identify and address the root cause of the P1518 trouble code.
FAQ
Common symptoms of OBD code P1518 in a Ford vehicle include Engine Light ON and possible issues with the Intake Manifold Runner Control system.
The typical cause of OBD code P1518 in Ford vehicles is a faulty Intake Manifold Runner Control (IMRC) actuator or related electrical issues.
Diagnose and repair OBD code P1518 in a Ford: Symptoms Engine Light ON. Causes Faulty IMRC actuator, harness issues, PCM. Fix Inspect wiring, connectors for damage.
Wrap Up
If your Ford is displaying OBD code P1518 and experiencing rough idling, stalling, or poor acceleration, it may be caused by a faulty Intake Manifold Runner Control (IMRC) actuator or sensor, wiring issues, or a stuck intake manifold runner.
To address Ford OBD code P1518, check the IMRC actuator and sensor for proper operation, inspect the wiring harness for any damage or loose connections, and ensure the intake manifold runners move freely without any obstructions.
Consider replacing the IMRC actuator or sensor if necessary.
