P120A - Secondary Fuel Injector Bank 1 Insufficient Flow

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

P120A Possible Causes

  • Faulty Secondary Fuel Injector Bank 1
  • Secondary Fuel Injector Bank 1 harness is open or shorted
  • Secondary Fuel Injector Bank 1 circuit poor electrical connection

How do I fix code P120A?

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.
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Cost of diagnosing the P120A code

Labor: 1.0

The cost of diagnosing the P120A code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P120A Description

The Powertrain Control Module (PCM) monitors the Secondary Fuel Injector Bank 1. The PCM sets the OBDII code when the Secondary Fuel Injector Bank 1 is not to factory specifications.
OBDII Code P120a - Secondary Fuel Injector Bank 1 Insufficient Flow  - AutoCodes.com

More Information

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Information for specific makes

  • P120A FORD Secondary Fuel Injector Bank 1 Insufficient Flow

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