won't idle! URGENT!

[thestu]

my mk2 git (gti) motor is giving me the s##ts!

ok so when its running i shall adjust that screw for the air mixture of some sort...it will be awesome...run fine go for a drive stomp on the brakes a few times and still good!

then when the car is restarted...whiulst cold or hot...it will not idle again...any hints? clues? I'm so puzzled and it goes for roady 2moz!!!

[ausgolfer]

aux air valvue? is it working? does it buzz a little when the engine is off ignition on?

[Peter Jones]

Vacuum leaks? Perhaps injector seals?

You could try blocking off that aux idle valve and winding up the idle speed a bit to get you by for the moment if that's the issue.

Check your cold start wiring too, maybe you're running the 5th injector all the time or the WUR isn't getting power.

Pete

[Oneofthegreats]

This sort of problem is real hard to diagnose over the computer that's for sure. Even harder that it's K-Jet!

Someone really need's to have a look at it & actually see what it's doing. What is the co% mixture set at etc.?

Your the only person that know's how you wired up the electric's, fitted & hooked up all the component's etc. & I know that from past experience everyone does it differently which makes it even more harder.

[Jmac]

Mate is it K jet or Digifant , both have very different ways to be set up. BY the sounds it has only just started doing it. Question have you recently changed your air filter?????? There is a pipe that always comes off and cause grief.
Jmac

[Peter Jones]

Mate is it K jet or Digifant , both have very different ways to be set up. BY the sounds it has only just started doing it. Question have you recently changed your air filter?????? There is a pipe that always comes off and cause grief.
Jmac

Retro fitted K-Jet



Pete

[Ben_GTI]

Carl, I rest my case. Let's play "Will it idle" hey?

[thestu]

ok so it was playing up and now its working no idea whats going on. the aux air valve, cold start injector and the warm up reg are not wired up. but i did have this motor running previously in my 4 door beautifully without these things also hooked up.

can i bring her up one day pete and can you have a look im soooooo lost!?!? k-jet freaks me out. lol

[Preen59]

ok so it was playing up and now its working no idea whats going on. the aux air valve, cold start injector and the warm up reg are not wired up. but i did have this motor running previously in my 4 door beautifully without these things also hooked up.

can i bring her up one day pete and can you have a look im soooooo lost!?!? k-jet freaks me out. lol

Like i said the other day, check that idle air bleed. They have a habbit of not staying in the right spot. wind it all the way it and remember how many turns out it was. next time you have trouble, wind it all the way in, counting the turns and see if it has wound in or out..

[thestu]

Like i said the other day, check that idle air bleed. They have a habbit of not staying in the right spot. wind it all the way it and remember how many turns out it was. next time you have trouble, wind it all the way in, counting the turns and see if it has wound in or out..

good advice i will check that after she comes back from the roady hope its not tooo big a list as i only get 7 days to fix everything!!!

[Peter Jones]

Like i said the other day, check that idle air bleed. They have a habbit of not staying in the right spot. wind it all the way it and remember how many turns out it was. next time you have trouble, wind it all the way in, counting the turns and see if it has wound in or out..

Yep, I had the same thing happen and all it takes is a 2cent O ring to fix it. I've got heaps of them Stu.

I can set that CO% for you one day if you'd like Stu.

Pete

[RedMk2Gti]

the aux air valve, cold start injector and the warm up reg are not wired up. but i did have this motor running previously in my 4 door beautifully without these things also hooked up.

I'm lost it may run but can't be 'beautifully'

[Peter Jones]

I'm lost it may run but can't be 'beautifully'

The electrics only assist in cold start, the motor will run OK without them. It might take a bit longer for the WUR & aux air valve to come up to temp but they will eventually and it will start OK without the 5th injector.

(I accidentaly forgot to plug the loom in once and ran mine this way for two weeks, didn't actually make that much of a difference.)

Pete

[thestu]

I'm lost it may run but can't be 'beautifully'

it did. something must have changed...

Yep, I had the same thing happen and all it takes is a 2cent O ring to fix it. I've got heaps of them Stu.

I can set that CO% for you one day if you'd like Stu.

Pete

ohh brilliant that would be wonderful pete!

[Peter Jones]

I got a pack of assorted tiny O rings from Bunnings for about $2 there must be a zillion of the little fk'ers in the box

Pete