Back to 2011 Land Rover Discovery

2011 LAND ROVER DISCOVERY

5.0L V8AWDAUTOMATICgas
Repairs0Labor515Torque4986Fluid9DTC864Battery0Maintenance0Recalls0
P0261moderate severityPowertrain

Cylinder 1 Injector Circuit Low

on 2011 Land Rover Discovery 5.0L V8 · AWD

What this code means

Low voltage in the cylinder 1 injector driver circuit.

Symptoms

  • Check Engine Light
  • Misfire cylinder 1
  • Rough idle

Common causes

  • Short in injector wiring
  • Faulty injector
  • PCM driver issue

Diagnostic steps

  1. Test injector resistance
  2. Check for shorts
  3. Test PCM output

Repair notes

Repair wiring or replace injector.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →