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My 728 will only start when cold it runs very well no sign of an issue or lights on the dash, if I turn it off it will restart straight away but if left for say 10 mins it won't start until it's totally cold , any ideas ?
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92 ford sierra 2.9 glsi ex police
87 ford sierra cosworth 3dr (In storage) scared to use
01 vw bora 2.0 sport
95 bmw 728i
92 2.9 xr4x4 barn find
87 xr3i
92 xr2i
89 escort van with rst (Blown up engine)
94 TRANSIT beavertail needs engine 3.0d waiting
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Ryannn
Posted a lot
Posts: 2,421
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Could be an issue with the temperature sender or the wiring from it to the ecu.
My bothers polo used to do exactly the same thing, never cured it and the only error light it ever showed was for the cat.
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Last Edit: Apr 3, 2016 18:07:45 GMT by Ryannn
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had the same with a corrado, crankshaft sensor was the culprit.
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I was thinking crankshaft sensor had a problem with a slab but it cut out when warm this just runs fine , I might just change it and temp sensor see if it fixs it, just strange the way suddenly appeared
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92 ford sierra 2.9 glsi ex police
87 ford sierra cosworth 3dr (In storage) scared to use
01 vw bora 2.0 sport
95 bmw 728i
92 2.9 xr4x4 barn find
87 xr3i
92 xr2i
89 escort van with rst (Blown up engine)
94 TRANSIT beavertail needs engine 3.0d waiting
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Vanos sensor could be another one.
It is probably throwing up some error cods so get an OBD reader to look for them.
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 Click picture for more |
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I'm hoping to finish work early and have fiddle if I can't sort it I'm lucky that my pals uncle is a bmw specialist and his garage is 2 roads away
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92 ford sierra 2.9 glsi ex police
87 ford sierra cosworth 3dr (In storage) scared to use
01 vw bora 2.0 sport
95 bmw 728i
92 2.9 xr4x4 barn find
87 xr3i
92 xr2i
89 escort van with rst (Blown up engine)
94 TRANSIT beavertail needs engine 3.0d waiting
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