P2018Fuel & Air Metering

Intake Manifold Runner Position Sensor Circuit Range/Performance Bank 2

P2018 is the Bank 2 version of the runner position sensor range/performance fault. The sensor reading does not match the commanded runner position on Bank 2. Worn runner linkage, a failed sensor, or carbon buildup are the usual causes.

🚗 Yes, but expect possible rough running and reduced power until repaired.
MEDIUM
severity
Is P2018 really the problem on YOUR car?
Get a free AI diagnosis ranked by probability for your exact year, make, and model.
Run Free Diagnosis →

🎯 Top Causes, Ranked by Likelihood

#1Worn or broken runner lever/bushings on Bank 2$150-$500
45%
Worn plastic linkage means the sensor no longer tracks the flaps.
#2Failed runner position sensor$60-$300
25%
The Bank 2 sensor reports incorrect values.
#3Carbon buildup restricting movement$50-$300
20%
Deposits keep the Bank 2 flaps from reaching commanded positions.
#4Wiring or connector fault$50-$200
10%
A circuit issue skews the sensor signal.

🩺 Common Symptoms

💰 Repair Cost: DIY vs Shop

DIY Cost
$60-$500
Shop Cost
$200-$800

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P2018

1Scan for related codes and check freeze frame
2Inspect the Bank 2 runner lever and bushings
3Compare commanded versus actual runner position
4Test the sensor and its wiring

❓ Frequently Asked Questions

Can I drive with a P2018 code?
Short-term yes, but worn linkage can cause poor running. Repair it soon and expect an emissions failure until fixed.
How much does it cost to fix P2018?
Often a new intake manifold at $200 to $800 or more, or less for a repair kit.
What is the most common cause of P2018?
A worn runner lever or bushing on the Bank 2 intake is the most common cause.

🔗 Related Codes

P2015P2019P2020P2005P2007
Don't guess. Know exactly what's wrong.
AmpAuto's AI ranks the real causes for your specific vehicle in 30 seconds.
Diagnose P2018 Free →