P0118 Moderate Powertrain

Engine Coolant Temperature Circuit High Input

Common Causes

Failed ECT sensor (open)
Broken ECT signal wire
Corroded or disconnected ECT connector

Common Symptoms

Hard Start Engine Overheating

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Quick Info

Code P0118
System Powertrain
Severity Moderate

Disclaimer

This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.

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