Engine-Codes - Ford - P1274 FORD

P1274 FORD - Cylinder #4 High To Low Side Open

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

P1274 FORD Possible Causes

  • Faulty Fuel Injector
  • Faulty Injector Driver Module (IDM)
  • Fuel Injector harness is open or shorted
  • Fuel Injector circuit poor electrical connection

How is the P1274 FORD 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

Check valve cover wire harness connections first, including under the valve cover.

What is the cost to diagnose the P1274 FORD code

Labor: 1.0

The cost to diagnose the P1274 FORD 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.

Possible Symptoms

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

P1274 FORD Meaning

The Injector Driver Module (IDM) is capable of detecting individual injectors open and shorts to either ground or power while the engine is running. The Injector Driver Module is also capable of detecting right or left bank high side circuit opens or shorts to ground. The Diagnostic Trouble Code (DTC) indicates a low side-to-high side open in the circuit between the Injector Driver Module and the injector.

More Information

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