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)
Best-selling code reader on Amazon. Reads and clears check engine codes on any 1996+ vehicle. Under $30.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
Essential for diagnosing sensor codes, checking voltage, and testing circuits. Under $15 and pays for itself on the first job.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
Common Symptoms
- Check Engine Light on
- Engine performance issues
- Rough or unstable idle
- Hesitation during acceleration
- Decreased fuel efficiency
Probable Causes (Ranked by Likelihood)
- 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
Step-by-Step Diagnostic Procedure
-
Confirm P2020 with scan tool and freeze frame data
-
Inspect Bank 2 runner position sensor and connector
-
Monitor sensor signal while commanding runner actuator
-
Check wiring continuity between sensor and PCM
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.
Sources
This page is built from documented references. Verify against your own service info before repair work.
Explore More
Was this helpful?
Share carcodefinder.com with a friend who needs to decode their check engine light.