Intake Manifold Runner Position Sensor/Switch Circuit (Bank 2)
The P2020 code means the vehicle's onboard diagnostic system has detected: Intake Manifold Runner Position Sensor/Switch Circuit (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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What Are the Symptoms of P2020?
- Check Engine Light on
- Engine performance issues
- Rough or unstable idle
- Hesitation during acceleration
- Decreased fuel efficiency
What Causes P2020? (Most Likely First)
- Faulty Bank 2 intake manifold runner position sensor Very High
- Wiring open or short in sensor circuit High
- Corroded sensor connector Moderate
- Carbon buildup restricting runner movement Moderate
- PCM internal fault Low
Can I Still Drive with P2020?
Short distances only. P2020 is rated moderate severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What does P2020 mean?
P2020 indicates a general malfunction in the Bank 2 intake manifold runner position sensor circuit, meaning the PCM cannot determine runner flap position accurately.
Can I drive with a P2020 code?
Yes, driving short distances is safe. Expect minor performance issues as the PCM uses default runner positions.
How much does it cost to fix P2020?
Repairs generally cost $100 to $350, typically involving sensor replacement or wiring repair.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P2020?
-
Confirm P2020 with scan tool and freeze frame data
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Inspect Bank 2 runner position sensor and connector
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Monitor sensor signal while commanding runner actuator
-
Check wiring continuity between sensor and PCM
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
Which Vehicles Commonly Get P2020?
- 2012-2018 BMW 328d 2.0L Diesel
- 2010-2016 Mercedes-Benz ML350 3.0L BlueTEC
- 2014-2020 Ram 3500 6.7L Cummins
- 2011-2017 Ford F-350 6.7L Power Stroke
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