Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 1)
The P2016 code means the vehicle's onboard diagnostic system has detected: Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 1). 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 runs rough at certain RPMs
- Poor idle quality
- Reduced throttle response
- Slightly increased fuel consumption
Probable Causes (Ranked by Likelihood)
- Short to ground in runner position sensor circuit Very High
- Failed runner position sensor High
- Damaged or corroded wiring Moderate
- Water intrusion in sensor connector Moderate
- PCM input circuit fault Low
Step-by-Step Diagnostic Procedure
-
Confirm P2016 and read freeze frame data
-
Check runner position sensor connector for moisture or corrosion
-
Measure sensor signal voltage at idle and compare to spec
-
Test wiring continuity between sensor and PCM
Frequently Asked Questions
What does P2016 mean?
P2016 indicates the intake manifold runner position sensor on Bank 1 is reading below the expected voltage range, usually due to a short to ground or a failed sensor.
Can I drive with a P2016 code?
Yes, driving short distances is safe. The PCM will substitute default values, causing minor performance impacts.
How much does it cost to fix P2016?
Repairs typically cost $100 to $350, depending on whether the fix is a wiring repair or sensor replacement.
Sources
This page is built from documented references. Verify against your own service info before repair work.
Explore More
Was this helpful?
Send this to whoever is fixing the car — your mechanic, or the person asking what the light means.