SHARPY
Member
Registered: 11th Nov 04
Location: Wigan, Lancs Drove: x14xe Sport
User status: Offline
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after a blast down the motorway the engine light comes on ... any ideas why, it never comes on while driving round town just on motorways ... b4 i do the paperclip test i was just wondering has any 1 else had this problem and solved it? im thinking its a sensor on the sump myself 
cheerz 
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Skylined
Member
Registered: 27th Sep 05
Location: Sideways, Surrey
User status: Offline
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Mine does that aswel
If i've been doing 60+ for a long time usually about half an hour the orange engine light comes on
Doesn't affect driving at all and goes off when i turn it off an back on again when parked.
If you find the solution please let me know
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amyspud
Member
Registered: 6th Nov 05
Location: Hertfordshire
User status: Offline
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Mine comes on until the engine cools again - I've been tryign to track this down for a while (see my posts). I am of the conclusion that it is the Coolant Temp. Sensor 'cos when I replaced it with a variable resistor I could cause the light to go on and off at will.
The sensor does still vary in resistance as i've measured it in situ over temperature - I just think that the resistance range has 'shifted'.
If you were to park up immediately that the light came on -i.e b4 the fan kicked in and the engine cooled, I suspect that turnign the engine on and off again quickly would result inthe light staying on. It only goes off when the engine coolant drops!
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craig-12v
Member
Registered: 13th Oct 05
Location: alloa
User status: Offline
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mines allways used to come on aswell. i got it plugged into the diagnostic computer and it come bk tht the mass air flow sensor was fucked. a common problem among vauxhalls. however dont go to vauxhall and do it. its a bloody rip off.
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