Hi just bought a 2002 1.6 LX.
Ive noticed that the fuel temp gauge seems to go up and down fairly easily and also the cooling fans seemed to cut in when guage reading quite low.
Any ideas.
Many thanks
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1.6 LX cooling fans and guage
Started by Keano856, Nov 22 2008 10:42 PM
2 replies to this topic
#1
Keano856
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- Ford Model: 2002 Ford Focus 1.6 LX
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Posted 22 November 2008 - 10:42 PM
#2
mintalkin
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- Name: mintalkin
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Posted 23 November 2008 - 12:07 PM
i presume the coolant level is ok, the problem could be associated with a dodgy temp sender or its wireing.
#3
TheBigA
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Posted 23 November 2008 - 05:32 PM
You say fuel temp guage - so presume you meant coolant.
Putting fans kicking in to one side, the surge in temp from warm - hot - warm etc is most lily due to the thermostat being stuck open or slow to open / close. The fans will kick in if you put the heat all to windscreen as the A/C switches on automatically - but as they are controlled by the CHT see below maybe more likly this.
When I was having problems with my 1.6, I took the thermostat out at one stage compeltely and had these symptoms. The temp guage and fans are controlled by the CHT (Cyl Head Temp Sender found in top of head between 2&3 cyls / spark plugs and super easy easy to get at) which is a £13 part and simple to replace - maybe worth changing if you have no joy - easier to do than thermostat (which in fairness is only a 30 min job excl bleeding)
Putting fans kicking in to one side, the surge in temp from warm - hot - warm etc is most lily due to the thermostat being stuck open or slow to open / close. The fans will kick in if you put the heat all to windscreen as the A/C switches on automatically - but as they are controlled by the CHT see below maybe more likly this.
When I was having problems with my 1.6, I took the thermostat out at one stage compeltely and had these symptoms. The temp guage and fans are controlled by the CHT (Cyl Head Temp Sender found in top of head between 2&3 cyls / spark plugs and super easy easy to get at) which is a £13 part and simple to replace - maybe worth changing if you have no joy - easier to do than thermostat (which in fairness is only a 30 min job excl bleeding)
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