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Overfuelling/running rough

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Old 22-02-2004, 09:37 PM
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Dave McB
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Default Overfuelling/running rough

First thing in the morning (as faras i can remember in the cold) my cossie coughs and splutters a helluva lot. there is a smell of petrol and the plugs are sooty.

I know sooty plugs=overfuelling, but could this be anything to do with cold start problems??

The car runs light green injectors and god knows whatelse.

How can this issue be resolved, cos its gettin on me nerves. Will i be better gettin it set up properly, or is there somethin else worth trying first?
Old 22-02-2004, 10:45 PM
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Toe Knee
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Nah mate sounds like it needs setting up, mines similar, plugs are black and overfueling like a bitch!!!
Old 22-02-2004, 11:07 PM
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Does it only so it when cold? if so check the iscv
Old 22-02-2004, 11:38 PM
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Ah didnt read it does it in the morning yea could be ISCV then, do you have the same problem once its warmed up and ur givin it a bit of stick?! ie overfueling
Old 23-02-2004, 06:29 PM
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yeah it seems ok after a coupla minutes. no noticable coughing and spluttering after about 5 mins.

Where is the ISCV and what does it lookie like? how do im sort that? in the vauxhalls all u needed was some spanners and WD40. same idea on a cos?
Old 23-02-2004, 07:07 PM
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On top of the throttle body theres a white cylinder thing with aplug on it, sometimes they stick of fook up so yea take it off and have a look if its sticking or not!
Old 23-02-2004, 07:39 PM
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HI,

TRY COOLANT TEMP SENSOR, SENSOR FOR ECU ENGINE TEMP, NOT SENSOR FOR (TEMPERATURE GAUGE ON DASH,, ALSO IF YOU HAVE THE KIT CHECK CO% AND FUEL PRESSURE, ALSO THAT YOU HAVE A STRONG SPARK AT PLUG'S,

Dave,
Old 23-02-2004, 11:31 PM
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Easy way to check ISCV for operation is to unplug it why the engine is running cold and see what happens

If you need a new one i've got 2
Old 29-02-2004, 11:02 AM
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Dave McB
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cleaned the ICV with carb cleaner (actually, i sprayed it with spray glue first by accident.....cans are really similar ) and it idles much better!! (still overfuelling tho, not as bad)

cheers for the help guys
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