P01F0

Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–111 (est.)

Symptoms

The engine takes a long time to warm up
Increased fuel consumption
Unstable operation at idle

Causes

Coolant temperature sensor malfunction
Thermostat stuck open
Low coolant level
Short trips during which the engine does not have time to warm up

How to Fix

Check coolant level
Diagnose the coolant temperature sensor
Check thermostat operation
Replace faulty components if necessary

Related codes

P0115 P0116 P0117 P0118