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AutoCodes - Generic - P117B

P117B Code - Cylinder A/F Imbalance Monitoring Bank 2

- Code Popularity: 15,731 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P117B?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Fuel injector
  • Exhaust gas leaks
  • Incorrect fuel pressure
  • Mass air flow sensor
  • Intake air leaks
  • Lack of fuel
  • Incorrect PCV hose connection
  • Improper spark plug
  • Insufficient compression
  • The fuel injector circuit is open or shorted
  • Ignition coil
  • The ignition signal circuit is open or shorted
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How to Fix the DTC P117B?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P117B code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P117B Description

The Engine Control Module (ECM) monitors the lean/rich air fuel ratio state in any cylinder. The ECM sets the OBDII code when detects a lean/rich air fuel ratio state in any cylinder for a specified length of time.

OBDII Code P117B - Cylinder A/F Imbalance Monitoring Bank 2 - AutoCodes.com
P117B Code - Cylinder A/F Imbalance Monitoring Bank 2

Need More Information on the Code?

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Code P117B comments

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