"No start" and Check Engine Light Due to Engine Coolant Temperature Sensor Failure on Volvo 960

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

The engine will crank over but will not start. The Check Engine Light is on and/or there is a diagnostic code for the engine coolant temperature sensor (ECT). This may be caused by a faulty sensor (located at the back of the cylinder head).

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