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fiesta rs turbo running lumpy and coughing when cold!

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Old 25-12-2013, 11:07 AM
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paceo
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Cool fiesta rs turbo running lumpy and coughing when cold!

as title, when i first start it, it runs very lumpy on idle and coughs a lot! after 5 minutes or so when warm it runs like a dream and drives perfect!

any ideas?
Old 25-12-2013, 11:46 AM
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Maxwell
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Dirty CPS? Dirty ISCV?

Failing that, burn it lol
Old 25-12-2013, 11:56 AM
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grant_xr
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Before burning it I'd try bumming it first!
Old 25-12-2013, 12:18 PM
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Ben26
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always start with the basics mate

spark plug

leads

coil

then sensors , actuators etc etc
Old 25-12-2013, 12:21 PM
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paceo
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Originally Posted by Ben26
always start with the basics mate

spark plug

leads

coil

then sensors , actuators etc etc
everything is brand spanking new apart from the coil!
Old 25-12-2013, 02:08 PM
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Ben26
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has it only started happening since u fitted these new parts ?
Old 27-12-2013, 08:40 AM
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paceo
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Originally Posted by Ben26
has it only started happening since u fitted these new parts ?
parts were fitted years back, all genuine ford and brand new, car was laid up for a year in the garage (longest ive ever gone without starting it), so a year later when i went to start it the issue occurred! give it 5 minutes though and she runs perfect! car is bog standard engine wise.
Old 27-12-2013, 10:06 AM
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fiend
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Sounds like it could be the coolant temp sensor on the back of the inlet manifold.
Old 29-12-2013, 09:53 AM
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Originally Posted by fiend
Sounds like it could be the coolant temp sensor on the back of the inlet manifold.
that is brand spanking new a few years back from ford
Old 29-12-2013, 09:56 AM
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Maxwell
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Not burnt it yet? 😝
Old 29-12-2013, 10:22 AM
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even newly fitted and unused things go bad when fitted and not being used, never rule out anything especially on a FRST
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