Engine-Codes - Ford - P0158 2010 FORD FUSION

P0158 2010 FORD FUSION - O2 Sensor Circuit High Voltage Bank 2 Sensor 2

Repair Importance Level: 2/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P0158 2010 FORD FUSION Possible Causes

  • Faulty Rear Heated Oxygen Sensor Bank 2
  • Rear Heated Oxygen Sensor Bank 2 harness is open or shorted
  • Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection
  • Inappropriate fuel pressure
  • Faulty fuel injectors
  • Intake air leaks
  • Exhaust gas leaks

How is the P0158 2010 FORD FUSION code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Tech Notes

Replacing the Rear Heated Oxygen Sensor Bank 2 usually takes care of the problem.

What is the cost to diagnose the P0158 2010 FORD FUSION code

Labor: 1.0

The cost to diagnose the P0158 2010 FORD FUSION code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
How much do you know about cars?

Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge

Play Now

When is the code detected?

The P0158 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively high for an extended period of time.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Possible higher than usual fuel consumption

P0158 2010 FORD FUSION Meaning

The heated oxygen sensor (HO2S) signals are monitored for an over voltage condition. The code is set when the HO2S signal voltage is 1.5 volts or greater.

More Information

Need more information on how to fix the P0158 2010 FORD FUSION code?
Get Access to Factory Service Manuals

Need more help?

Get the P0158 2010 Ford Fusion code diagnosed by a professional: Find a repair shop in your area