Engine-Codes
 
OBDII Code List
 
P1148 2003 INFINITI G35

P1148 2003 INFINITI G35 - Closed Loop Control Function Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What does this mean?

P1148 2003 INFINITI G35 Possible Causes

  • Faulty Heated Oxygen Sensor 1 Bank 1
  • Heated Oxygen Sensor 1 Bank 1 circuit is open or shorted
  • Heated Oxygen Sensor 1 Bank 1 circuit electrical connection

How do I fix code P1148 2003 INFINITI G35

    Check 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.

Cost of diagnosing the P1148 2003 INFINITI G35 code

    Labor: 1.0

    The cost of diagnosing the P1148 2003 INFINITI G35 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

When is the P1148 2003 INFINITI G35 code detected?

The closed loop control function for bank 1 does not operate even when vehicle is driving in the specified condition, the closed loop control function for bank 2 does not operate even when vehicle is driving in the specified condition.

P1148 2003 INFINITI G35 Possible Symptoms

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

P1148 2003 INFINITI G35 Meaning

The Engine Control Module (ECM) performs ON/OFF duty control of the Heated Oxygen Sensor 1 heater corresponding to the engine operating condition to keep the temperature of Heated Oxygen Sensor 1 element at the specified range.
OBDII Code P1148 2003 INFINITI G35 - Closed Loop Control Function Bank 1 - Engine-Codes.com

P1148 2003 INFINITI G35 More Information

Need more information on how to fix the P1148 2003 INFINITI G35 code?
Get Access to Factory Service Manuals

Related Information