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temp gauge up a down like a yo-yo

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Old 19 July 2007, 07:15 PM
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Steve001
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Question temp gauge up a down like a yo-yo

over the last week or so the temp gauge go's up near the top when driving around town. stays there for a few seconds then drops like a stone (2 seconds) down to normal. 5mins later same thing, then 20 mins, 2mins no pattern :confussed: other days nothing.

fan does come on
checked oil and water
no obstructions in the grill

on a normal duel carriageway run no probs at all, no power loss or anything

i was thinkin faulty temp sensor??? or witchcraft

help pls

steve
Old 19 July 2007, 08:47 PM
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johnnyroper
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Originally Posted by Steve001
over the last week or so the temp gauge go's up near the top when driving around town. stays there for a few seconds then drops like a stone (2 seconds) down to normal. 5mins later same thing, then 20 mins, 2mins no pattern :confussed: other days nothing.

fan does come on
checked oil and water
no obstructions in the grill

on a normal duel carriageway run no probs at all, no power loss or anything

i was thinkin faulty temp sensor??? or witchcraft

help pls

steve

sounds like faulty temp sender to me
Old 20 July 2007, 03:49 PM
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Steve001
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thanks for the reply

it think i may have found the problem

the water tank on the top of the engine (whats it called?) the cap seal is broken so ive lost a little water through the cap and this created an air blockage. topped it up and all seems ok now of course i only checked the water in the expansion tank doh!

i will monitor it over the weekend.

sometimes its the simple things, and generally the last thing you check that causes a problem

steve

Last edited by Steve001; 20 July 2007 at 03:53 PM.
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