P2018 — Intake Manifold Runner Position Sensor/Switch Circuit Intermittent Bank 1

What Does P2018 Mean?

P2018 is a diagnostic trouble code indicating: Intake Manifold Runner Position Sensor/Switch Circuit Intermittent Bank 1. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2018

⚠️ Check Engine Light (MIL) illuminated
⚠️ Intake Manifold Runner Position Sensor/Switch signal cutting in and out
⚠️ Related system working sometimes but not consistently
⚠️ Reduced engine performance

Common Causes

🔍 Loose or intermittent connection at Intake Manifold Runner Position Sensor/Switch
🔍 Wire chafing causing intermittent contact
🔍 Intake Manifold Runner Position Sensor/Switch failing under heat or vibration
🔍 Corroded connector pins with partial contact

Frequently Asked Questions

What does P2018 mean?

P2018 indicates: Intake Manifold Runner Position Sensor/Switch Circuit Intermittent Bank 1. The vehicle's computer has detected that the Intake Manifold Runner Position Sensor/Switch is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2018?

Yes, P2018 is generally safe to drive with in the short term. However, it should still be addressed to pass emissions testing and prevent potential secondary issues.

How much does it cost to fix P2018?

Repair costs for P2018 typically range from $30 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and reseat all Intake Manifold Runner Position Sensor/Switch connectors
🔧 Repair chafed or damaged wiring in Intake Manifold Runner Position Sensor/Switch circuit
🔧 Replace Intake Manifold Runner Position Sensor/Switch if failing intermittently

1
Find your vehicle above
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2018: Intake Manifold Runner Position Sensor/Switch Circuit Intermittent Bank 1