Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 2)
The P2018 code means the vehicle's onboard diagnostic system has detected: Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 2). This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- moderate
- Estimated cost
- $100 - $350 (parts and labor)
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Common Symptoms
- Check Engine Light on
- Reduced engine performance
- Unstable idle speed
- Hesitation or stumble during acceleration
- Decreased fuel economy
Probable Causes (Ranked by Likelihood)
- Short to voltage in Bank 2 runner position sensor wiring Very High
- Failed Bank 2 runner position sensor High
- Corroded connector pins Moderate
- Open sensor ground wire Moderate
- PCM fault on Bank 2 input Low
Step-by-Step Diagnostic Procedure
-
Confirm P2018 with freeze frame data
-
Inspect Bank 2 runner position sensor connector and wiring
-
Compare Bank 1 and Bank 2 sensor readings on scan tool
-
Test sensor reference voltage and ground at the connector
Frequently Asked Questions
What does P2018 mean?
P2018 indicates the Bank 2 intake manifold runner position sensor is reading above its normal voltage range, usually due to a wiring issue or failed sensor.
Can I drive with a P2018 code?
Yes, driving short distances is safe. You may notice minor performance differences between engine banks.
How much does it cost to fix P2018?
Repair costs are typically $100 to $350, depending on whether the issue is wiring or sensor related.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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