[Gilmoregirl]

Okay, so i just got my SJ50 softtop widetrack registered then everything started to go wrong.
a week later the tie rods where replaced, new fuel filter, new alternator and a carby rebuild was done.
so the constant jiggle and flat battery where gone, but the cutting out when in the middle of driving was still happening

we had a thorough look over the engine bay to find out that the coil lead was frayed and stuffed. A new one was purchased (even more bloody money )
then that fixed that problem.

now i am faced with one major problem. THE IDLE ISSUE...
Starting the car it may idle fine, or it will conk out then when im driving. when i need to stop at a light, i put it into neutral and keep it up to 2000rpm so it doesnt stall. then ill be driving for 20 minutes then it might idle fine.... or it will be stubborn and not idle untill i get to the driveway
yes i do look like an idiot and people think im trying to race them

if you have had this problem please help me!!!

[coily96]

Take it back to the carby rebuilder and let them know whats happening.

[Marko_SJ]

I chased similar symptoms with a zook I had and didn't get to the bottom of it. The next owner had the same problem. Scrawn, a member on here suggested to drop the tank and check the fuel pickup inside it.

[Gilmoregirl]

its getting fuel though, it runs and drives it just doesnt idle sometimes.
and coily, i rebuilt it using the kits

[Marko_SJ]

Gilmoregirl wrote:

its getting fuel though, it runs and drives it just doesnt idle sometimes.
and coily, i rebuilt it using the kits

I had this problem and regurgitated stuff I was told.

My car got fuel 90% of the time, but then flow would stop and she'd stall out. The only reason I knew is because it had an extra filter in the bay and I could see it had no fuel.

Could be anything, mine was one suggestion on a long list of unknowns.

[Reubs]

Gilmoregirl wrote:

its getting fuel though, it runs and drives it just doesnt idle sometimes.
and coily, i rebuilt it using the kits

When you cleaned the idle jet did you check you could see through the tiny hole down the jet and that you could see a perfect circle of light shining through? Last time I had one apart it took a lot of sprays of carby cleaner to clear it out.

Also have you checked operation of the fuel cutoff (idle) solenoid? It needs a reliable 12V and you should hear it click when switched on.

[ziggy]

This is happening to my SJ70 at the moment and its getting really annoying! if you find out anything please msg me! thanks

[Matthew]

X2 Dirty fuel cut solenoid

[coily96]

Remove it and replace with a bolt to see if it helps.

You can run 12v from the batt and earth the negative to the carby to see if that changes anything.

Mines been doing this for a couple of years. Done a flush and filters and had the carby rekitted, but not rebuilt which is what really fixes the problem

Next time you go to stop at the lights and it stalls, take off in first then change straight to fourth and keep you foot on the pedal. The shaking and overfueling should clear some junk out of the jet. Works for me and only plays up offroad for me now.

[midnight]

How hard is it to get to the idle jet?

We have put a small filter between the pump and the carb, and that helped the upper revs, so it might be possible that the idle jet has gunk caught in it.
Filter is clear, so we can see that the fuel is flowing too.

[coily96]

Do you know how to clear the jet by back firing the engine?

[2dads]

Sounds like the coil is breaking down when it gets warm..had the similar problem before changed the coil and fix it

[Gilmoregirl]

okay so we just tried the back fire thing and it didnt work.
Tired the 1st to 4th about a million times and it didnt work.
sprayed it with shit loads of carby cleaner.. and guess what it didnt work
And now its still not idleing and has started to shutter again.. in every gear.
Should i just get another carby?

[Marko_SJ]

Gilmoregirl wrote:

okay so we just tried the back fire thing and it didnt work.
Tired the 1st to 4th about a million times and it didnt work.
sprayed it with shit loads of carby cleaner.. and guess what it didnt work
And now its still not idleing and has started to shutter again.. in every gear.
Should i just get another carby?

I'd try to borrow one thats known to work. This will tell you if it is truly the carb playing up or another factor.

Carbs can be expensive as people who fix them and know what they are doing are not as common as they used to be, also a bit time consuming too.

You definitely want to know its the carby playing up before you drop cash.

[Reubs]

Gilmoregirl wrote:

okay so we just tried the back fire thing and it didnt work.
Tired the 1st to 4th about a million times and it didnt work.
sprayed it with shit loads of carby cleaner.. and guess what it didnt work
And now its still not idleing and has started to shutter again.. in every gear.
Should i just get another carby?

I have never done the 'backfire' method to clean a carb but just about everytime someone did it on Suzuki Club trips the problem would go away for a limited time and they would have the same problem next day or next weekend.

It would take an inexperienced person maybe 2-3 hours to pull the idle jet out, clean it and put it back in. The tricky parts are dealing with the linkages on the back of the carby and removing a couple of fiddly clips withou them falling on the ground but nothing too hard. Last time I did it was in the dark and it still only took 45 minutes with very basic tools.

Loads of carby cleaner is not going to do anything if the idle jet is completely blocked or your idle solenoid doesn't work.

[Trebor]

I was having a similar problem and was told to backfire it by swapping 2nd and 3rd I thought it went away but less than 10 min later it started again, I was then told that a loose or dodgy earth wire might be shorting the system out so I looked over most of my wiring and found out my tail ligth fittings where corroded so I set about replacing those and I thought it worked..... I no longer have idle porblems yay..... till yesterday the car was running well now it is almost stalling when ever I try to accelerate (starting off or changing speed).

I I don't know if this helps might be worth looking at.

[Gilmoregirl]

i tryed a different carby today and it solved the idle problem
however it didnt fix the shutter problem.
ill have a look over the wires.

What should i do with the carby? take it to a carby place or buy a second hand one, or a new one?

Where is the idle jet located?
i have pulled the carby out previously and cleaned every part i could see and then put the new gaskets in.

[Zook_Fan]

Trebor wrote:

I was having a similar problem and was told to backfire it by swapping 2nd and 3rd I thought it went away but less than 10 min later it started again, I was then told that a loose or dodgy earth wire might be shorting the system out so I looked over most of my wiring and found out my tail ligth fittings where corroded so I set about replacing those and I thought it worked..... I no longer have idle porblems yay..... till yesterday the car was running well now it is almost stalling when ever I try to accelerate (starting off or changing speed).

I I don't know if this helps might be worth looking at.

This sounds like you have a flat spot in your accelerator pump. Take the inlet pipe off and stare down the throat of the carby. Slowly rev turn the throttle linkage by hand with the engine off and watch for fuel spraying into the carby. It should be a steady stream. Yours will either hesitate and then purge a heap (broken accelerator pump), or continously dribble fuel but no real quantity of fuel will come out (either broken accelerator pump or blocked accelerator lines). Both would be fixed with a carby kit if you clean it up well and replace the rubber pump.

Gilmoregirl wrote:

i tryed a different carby today and it solved the idle problem
however it didnt fix the shutter problem.
ill have a look over the wires.

What should i do with the carby? take it to a carby place or buy a second hand one, or a new one?

Where is the idle jet located?
i have pulled the carby out previously and cleaned every part i could see and then put the new gaskets in.

If you have got to the stage of going through replacing the carby after trying to fix the previous one with all due respect I believe it is time to take it to someone who knows more about carbies. The shutter problem can be a range of different things. If you have access to an electric fuel pump hook it up as close to the tank as possible and see if that works. Sometimes the mechanical pump may be failing and not providing enough fuel to allow smooth acceleration. The dying pump may handle the small load but can't deal with the extra needed fuel with acceleration. If you find that you can very very slowly accelerate under load I would suggest that the fuel pump is the issue not the carby. However it could also be the accelerator pump as mentioned earlier in my post. Do the same test I mentioned to Trebor and see if that is possibly your issue, however it is less likely to occur on two different carbies giving the fuel pump theory more merit.

[Trebor]

I fixed mine it was just the fuel filter

[ziggy]

thank a lot guys i ended up taking my carby off about 3 to 4 times to figure what was wrong and it was the fuel jet! it had a fluff collection (don't know how it go there) in it causing it not to pump enough fuel threw and then causing it to not idle then stall but my cars all fix now and running really good!