P2014
Intake Manifold Runner Position Sensor/Switch Circuit Bank 1
If your code reader dashboard displays the generic DTC error code P2014, your vehicle is currently experiencing an active failure related to "Intake Manifold Runner Position Sensor/Switch Circuit Bank 1". Proper system troubleshooting is required to safely clear this warning.
Driver's Summary
P2014 is triggered when the PCM detects an abnormal condition associated with intake manifold runner position sensor/switch circuit bank 1. The most common signs are rough idle, hesitation on acceleration, check engine light. You can typically drive short distances, but ignoring this code long-term will cause accelerated component wear and higher repair costs.
Symptoms
Rough idle, hesitation on acceleration, check engine light
Common Causes
- Faulty IMRC position sensor
- Damaged sensor wiring or connector
- Carbon buildup keeping flaps from closing fully
- Broken linkage on manifold
How to Fix
- 1 Replace the IMRC position sensor
- 2 Repair wiring harness
- 3 Clean intake manifold carbon deposits
- 4 Replace intake manifold assembly
Technical Explanation
P2014 is stored after the control module confirms the fault over multiple ignition cycles, ruling out transient electrical noise as the cause. The PCM distinguishes between electrical faults (circuit codes) and performance faults (rationality codes) by comparing the sensor's reported value against what other sensors would predict under the same engine operating conditions. Once confirmed, the code is stored as a permanent DTC and the MIL is activated. The freeze frame snapshot — recording RPM, load, coolant temperature, and fuel trim at fault detection — is also saved and is critical for accurate diagnosis.
Is It Safe to Drive?
You can drive short distances, but the symptoms — rough idle, hesitation on acceleration, check engine light — indicate the affected system is compromised. Leaving this unresolved will lead to progressively worse fuel economy and potential damage to components beyond the original fault.
Mechanic's Pro Tip
The most common mistake with P2014 is replacing the sensor without verifying the reference voltage and ground integrity first. Use a scan tool to monitor the sensor's live output; a truly failed sensor shows a stuck, flatlined reading — a sensor that fluctuates but reads slightly off usually indicates a wiring or vacuum issue, not a dead sensor. Always spray electrical contact cleaner on the connector pins before condemning the sensor.
Sensor: $80 - $200; Manifold: $500 - $900