LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Land Rover >> 1994 >> Defender 90 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Performance Self-Diagnostics >> Diagnostic Tests >> Code 14: Engine Coolant Temperature Sensor Fault >> Diagnostic Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Procedure

Test coolant temperature sensor. Perform Test "E". See Fig 1 . After completing the tests, retest the vehicle to ensure the faults have been rectified. If faults still persist, recheck using Lucas Diagnostic Equipment or Test Book.

Fig 1: Engine Coolant Temperature Sensor Fault Test "E"
G00136555Courtesy of LAND ROVER NORTH AMERICA, INC.