MasterTuning Fault code dictionary (DTC)

P0128 — Motore does not reach operating temperature

Severity: Informational Can you drive? Sì, no known limitation Produttore: Tutti makes (OBD-II standard)
MeaningThe Motore takes too long a warm up, oppure never reaches the expected temperature. It looks like a detail, but a cold engine uses more fuel, soots up the particulate Filtra and prevents it Da regenerating.
FamilyPowertrain (P)

Typical symptoms

Low temperature gauge Lettura
Lukewarm cabin heating
Higher fuel consumption
DPF regeneration never starting

Common causes

Thermostat stuck aperti (most common cause)
Temperature sensor out di calibration
Low coolant level
Cooling fan running constantly

What a do

A thermostat is cheap and quick a replace, and worth doing: an Motore that stays cold is the hidden cause di many DPF and fuel consumption problems.

Domande Frequenti

What does code P0128 mean?

Motore does not reach operating temperature. The engine takes too long to warm up, or never reaches the expected temperature. It looks like a detail, but a cold engine uses more fuel, soots up the particulate filter and prevents it from regenerating.

Can I keep driving with code P0128 Attivo?

Sì, no known limitation

Common causes — P0128

Thermostat stuck aperti (most common cause) Temperature sensor out di calibration Low coolant level Cooling fan running constantly

How do you fix code P0128?

A thermostat is cheap and quick a replace, and worth doing: an Motore that stays cold is the hidden cause di many DPF and fuel consumption problems.

Need Aiuto with this fault?

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