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Author Topic: CO setting on a 16v k-jet  (Read 1507 times)

Offline ben harcombe

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CO setting on a 16v k-jet
« on: 11 July 2009, 20:13 »
Is there a default setting for the CO screw  :undecided: 89 k-jet

Only on a few gte's I've played with it was all the way in and 1 & half turns out on the mfa's or am i being daft

Would badly set CO and air cause it to miss ?
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Offline Conker

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Re: CO setting on a 16v k-jet
« Reply #1 on: 11 July 2009, 20:27 »
Theres no default setting that I know of.  With mine, after setting the dizzy timing and the idle screw, I fiddle with it until the idle is ultra smooth.

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Offline Wayne

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Re: CO setting on a 16v k-jet
« Reply #2 on: 12 July 2009, 10:18 »
The only way to set it is with the car connected to a exhaust meter.
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VeeDubGTI16v

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Re: CO setting on a 16v k-jet
« Reply #3 on: 12 July 2009, 15:46 »
yep take it to a mot garage and get it spot on 2%. the screw is very sensitive though!
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Offline k33p it low

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Re: CO setting on a 16v k-jet
« Reply #4 on: 13 July 2009, 02:32 »
what tool do you need to adjust the screw in the metering head? I read it somewhere on here before but cant remeber  :sad:
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Offline rubjonny

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Re: CO setting on a 16v k-jet
« Reply #5 on: 13 July 2009, 09:39 »
long reach 3mm allen key, all this is in the 16v setup guide in the mk2 maintenance + info section
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Hello my name is John and I'm a dub addict.

Offline Ben Lessani

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Re: CO setting on a 16v k-jet
« Reply #6 on: 13 July 2009, 11:11 »
Remember that after each adjustment that you need to take it for a quick blast, then check again.

2.0% is what you are after - just don't push hard on the screw otherwise you'll close the air flap and the engine will just stall.
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