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crappy idling,running crap down low

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kombi_kid Moderator Good Kid too many projects

124 posts · joined Aug 2002 ·

#402321
hey peoples
my kombi is giving me the shits. basically what it is doing is hunting around in the idle, if im rolling along i cannot take off in 2nd have to go back to first cause it just wont go, if taking off in first its just bogs down and picks up in a few seconds and takes off.
i have had the carbies sychronised and adjusted so they come on at the same time but i think its in the air/fuel mix and idle screws where its up shit creek!
what should i have these setup at? idle is around 800RPM isnt it?
cheers
rhys
it aint just cool its aircool'd

Midlife crisis Nartispuddlejumper, Bureau of Toxicity

2,282 posts · joined May 2003 ·

#402340
Have you checked to see if you have any air leaks around the manifolds this will make it run really sh$t hope this helps


Marc
If you can't laugh at yourself you can't laugh at anyone else! Because life is to short not to LAUGH

kombibob AKA: Volkswagen Type 2 Transporter Van Robert

1,698 posts · joined May 2004 ·

#402346
could be a blocked idle jet
1961 swb buggy
1960 karmann ghia
1963 Single Cab: "El Concreto"
1963 bent 23 window " Frieda Samba "
1963 Eriba Faun camper " Cara Van daCamp"
2012 Skoda Octavia scout

Get down low and go,go,go

kombidaze Slammed & Awesome Dubber

83 posts · joined Aug 2003 ·

#402353
check the solenoid idle shut off valves, silly looking thing sticking out the side of each carby with a wire going back to the coil.

General_Failure Use your head, don't abuse it!

1,036 posts · joined Jun 2004 ·

#402486
Could also be the throttle pump. If that doesn't go squirt when you put your foot down the motor will just bog down. Also check for leaks around the top gasket of the carbs. It can really upset things like you wouldn't believe.
If at first you don't succeed. Build, build again.
Vehicle: 1975 Special order delivery walkthrough panel based LCA pop-top camper. Motor: Nippon 1.8L Single port Wasserboxer, Transmission: 3 rib 002.

kombi_kid Moderator Good Kid too many projects

124 posts · joined Aug 2002 ·

#402668
ok people had a good look around there today and looks like a leak with the inside of the passenger side carby a blacky colour i went around to tighten the screws on the top of the carby and carby to manifold bolts but there all fine so any ideas on where for me to start i might pull it off when i get a second!
cheers
rhys
it aint just cool its aircool'd

Desert Bug Wolfsburg Wizard

687 posts · joined Aug 2002 ·

#402681
G'day Rhys,
All of the things mentioned above can cause the problem you describe, also pull the air cleaner out of the way and check the condition of all the hoses the connect the vacuum balance tube to the manifolds, if these are still original type hose it could be perished behind the fabric covering. Pull them off and squeeze the end of the tube, if it shows cracking at all through it away and get some new stuff. There's no point trying to tune the carbs if there's any leaks in this area, also check the manifold to head, and manifold to carb joints.
Hope you can get it sorted.
Cheers, Ian.
Excentric (wife says) VW nut, having owned 250+ VWs in 40 years.

vw54 Administrator Always Waiting 4 Friday

16,723 posts · joined Aug 2002 ·

#402757
Rhys

The throttle shafts are worn. You need need or refurbished throttle plates so it wont SUCK air

Ring Boris he has them

this is a common problem with Type 4 engines, using twin solexs.
I read it on FACEBOOK so it must be true


http://forums.aussieveedubbers.com/viewtopic.php?tid=91278&page=1#pid848630


http://forums.aussieveedubbers.com/viewtopic.php?tid=63561&page=1#pid624099


http://forums.aussieveedubbers.com/viewtopic.php?tid=4832&page=1#pid452603


http://forums.aussieveedubbers.com/viewtopic.php?tid=60650&page=1#pid574409

kombi_kid Moderator Good Kid too many projects

124 posts · joined Aug 2002 ·

#403224
ok ill look at all the above mentioned and see how we go!!! i wish i had EFI!!!
shahahahahaha thanks guys
cheers
rhys
it aint just cool its aircool'd