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Thread: idle valve 1.8 sport?

  
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    pardoe16V's Avatar
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    idle valve 1.8 sport?



    any one tell me where the idle control valve is? i cant see it, might be because im not in the best of moods thou!!! my car when dropping revs goes below the idle at about 800RPM to about 300RPM and jumps back up to idle normally? can only say this is the only thing that springs to mind?

    its a 1.8 sport 16V X18 XE1

    cheers

    MK4 1.8 16V Sport and MK5 CDTi Estate




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    no one??????? really could do with help on this?

    MK4 1.8 16V Sport and MK5 CDTi Estate




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    Oddjob's Avatar
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    From all accounts Luke the 1.8 ain't got a ICV. Yours will have an EGR though as it's an X18XE1 which may do with cleaning. Seems the How-To was written for the early Ecotec engines like the 2.0. You can always clean the throttle bodies though with some carb cleaner, just get rid of all that old black muck from around the butterfly area.
    52 Astra G 1.8, 18" Mille Miglia alloys, 325mm Brembo 4 pot conversion, Coupe leather interior, Raid strut brace, Whiteline rear ARB, Irmscher bits (skirts, Carbon steering wheel, Bonnet extension, M3 mirrors, boot & roof spoiler), Reiger Rear Diffuser & Front Bumper, Koni Adj. dampers, 35/30 Vogtland springs, Duplex quad exit ASCAR stainless exhaust.

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    Same engine and we don't have a ICV, just give the butterfly a good clean out, hold it open and clean the inside of it with a rag soaked in carb cleaner.
    The EGR valve doesn't have an effect on the revs, if that was dirty you'd notice a rougher engine and some kangarooing at low revs.

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    i have a 1.8 and mine does a bit of kanagrooing, now n again!
    my engine looks the same as pardoe16v's... where abouts is the EGR valve on that pic? or is it somewhere else?
    i've cleaned the throttle body out a couple of wks back, and that did stop the revs from dropping fast and nearly stalling when stopping at junctions n pressing clutch in, now it just seems a bit jerky/kangaroo'y, in low revs...

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    Hughesey the EGR valve is situated on the right hand side of the engine. Around the join between the cylinder head and the main engine block. Sort of a short dome with wires coming out of the top.
    52 Astra G 1.8, 18" Mille Miglia alloys, 325mm Brembo 4 pot conversion, Coupe leather interior, Raid strut brace, Whiteline rear ARB, Irmscher bits (skirts, Carbon steering wheel, Bonnet extension, M3 mirrors, boot & roof spoiler), Reiger Rear Diffuser & Front Bumper, Koni Adj. dampers, 35/30 Vogtland springs, Duplex quad exit ASCAR stainless exhaust.

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    thanks oddjob will have a look this wkend. i hav broadband now at home so if i get stuck i'll come on n ask somone! cheers bud.
    i have been told to do this for a few weeks now, but kept putting it off n now n again not having chance... but will DEFO attempt it 2day.

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    cheers lads, i thought i was going mad looing for a ICV!!!!!!!!!!!! lol ill let you know if this gets sorted
    luke

    MK4 1.8 16V Sport and MK5 CDTi Estate




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    well i used the cleaner and have cleaned all around the butterfly, and the EGR valve, its stopped the revs from dropping to much but still got the REALLY annoying lumpy torque at low to medium revs, really wanna sort this as it makes the car absolute s**t to drive!!!! any input?

    MK4 1.8 16V Sport and MK5 CDTi Estate




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    dannysport18's Avatar
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    take off the egr an claen that mate as you cleaned the tb
    as well try some ron99 from tesco

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