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Discussion Starter · #1 ·
I have a Zafira 2.0 diesel, frequently the coolant light comes on, and the spanner, according to the book this is a problem with the electronic engine coolant system, or the aircon,when this happens the engine goes into safe running mode, ie the revs drop off, tacho is at zero, after a while it will be ok, and lights go off, where do I start, anyone got any ideas?
 

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Discussion Starter · #2 ·
After much agonising and mis-diagnosis problem appears cured, fitted new temp sensor, thermostat (rip off) Buy one from halfords and swap the internals! Was quoted 2.5k for diesel pump. Fault turned out to be a dodgey crank sensor, although no one can explain why it lit up the coolant warning light!
 
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