Vauxhall Zafira temp gauge drops to zero affecting performance

Car: Vauxhall Zafira
Variant: 1.6 club
Model Year: 2001
Categories: Running Rough, Starting & Power Loss
this has only happened at 60plus mph.
Temp gauge drops to zero and the car beings to judder as if about to cut out but doesn't. temp rises again and ok but drops again and problem reoccurs. Last journey and sensor symbol came on (coolant system)yet no fluid loss. Unfortunately sybol stayed on and temp gauge stayed at zero
Posted: Jan 16, 2011 (13 years ago)
Faulty engine coolant temp transmitter / sensor ?
Posted Jan 16, 2011 (13 years ago)
Also check wiring to sensor .
Posted Jan 16, 2011 (13 years ago)
thanks for this will get it looked at but do I need to get this fixed as soon as? could I cause any damage if I continue to drive for a couple of days (short journey work and back
Posted Jan 16, 2011 (13 years ago)
As long as it's not losing water or overheating , you should be o.k on short journeys . But common sense will tell you to stop if there are any other faults developing .
Posted Jan 17, 2011 (13 years ago)
if the coolant sensor is not working then the ecu goes to a default fuelling setting,the car will just use more fuel,its an easy job to do so you can do it yourself
Posted Jan 17, 2011 (13 years ago)
if temp gauge drops to zero gauge and sensor are working.
if temp drops driving above 60 mph and u turn the heater on maximum but blowing low temperature with no loss of coolant and if stopped gauge very slowly
goes up or in cold start the zafira takes ages to worm up

i give u the problem::: thermostat stuck open
very ez to repair ......new thermostat
Posted Feb 9, 2011 (13 years ago)

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