• Prevents misfires and poor engine performance due to wiring faults
• Stops oil contamination from reaching the ECU via injector loom
• Ensures consistent fuel delivery for optimal TD5 engine efficiency
• Avoids engine hesitation and loss of power from degraded connections

A failing fuel injector wiring harness in a Defender or Discovery 2 TD5 is a common issue due to oil wicking through the loom and into the ECU, causing electrical faults. Over time, this leads to misfires, rough idling, power loss, and inconsistent fuel injection. Replacing the harness restores proper connectivity, preventing further damage and ensuring reliable engine performance.