P2185
P2185 on Skoda — Intermittent rough running with power loss, a flashing fault warning light and the glow plug light on steady
Code P2185 indicates that the coolant temperature sensor signal is higher than expected. On the Skoda Fabia 1.6 TDI the recurring cause is a leak from the sender on the thermostat housing, whose coolant reaches the engine control unit connector.
- System
- Fuel injection
- Component
- Coolant temperature sender on the thermostat
- Fault
- From cold, the engine intermittently runs roughly and loses power; when the ignition is switched on the engine warning light may flash and the glow plug light may stay on steady.
- Typical symptoms
-
- The engine runs roughly from cold
- Intermittent loss of power
- Engine warning light flashing when the ignition is switched on
- Glow plug light on steady
- In diagnosis the coolant temperature varies continuously, without settling at a stable value
- Vehicles affected
-
- Skoda Fabia (5J2-5J5) 1.6 TDI 16v
- Main code
-
- P2185 Engine coolant temperature sensor 2 - high reading
- Solution
-
See the repair procedure verified on Sema Repair.
The cause and the repair are on Sema Repair
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