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Greeners · 29th July 2015, 16:17

The system relies on the coolant temperature to switch from petrol to gas.

If you hace low coolant / air in the system then the sensor will get false readings.

More worrying is the damage you'll do with a defective cooling system

29th July 2015, 16:17	#2
Greeners Moderator MG-ZTT Join Date: Mar 2007 Location: Ware, Herts Posts: 19,798 Thanks: 161 Thanked 1,249 Times in 1,036 Posts	The system relies on the coolant temperature to switch from petrol to gas. If you hace low coolant / air in the system then the sensor will get false readings. More worrying is the damage you'll do with a defective cooling system __________________ *David* Impecunity is the mother of ingenuity Useful how to's for common problems Car Of The Month Jan 2014 [SatNav Power Down] [Coolant Level] [SatNav Repair] [Diesel Non Starting] [Paint Codes] [Rear Light Seals] [Reversing Light Switch] [Bleeding Brakes][Sunroof Drain] [Early ZT's][Instrument Pack Diagnostics][ATC Diagnostics]