Gidday guys
Just thought I'd post up what happened to me. my sierra stopped idling after out bashing a coulpa weeks ago. I did the ol swap leads and so on still no good. Read some more on the forums and pulled the carby down cleaned it and put it back together. Did this twice still no good. Read some more on this forum and found someone with same prob. Got a carby kit and cleaned it again, more thoroughly this time. Now arms up all good.
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Sierra not idling
Re: Sierra not idling
I changed the vacume lines on mine (all of them) I used about 1.5 metres of the crap that got rid of mine.
I found it by spraying some start ya basterd around the carby wilst it was running when it changed speed i knew it was leaking somwhere.
I also kitted the carby!
I found it by spraying some start ya basterd around the carby wilst it was running when it changed speed i knew it was leaking somwhere.
I also kitted the carby!
Re: Sierra not idling
I'm having this problem at the moment, I know it's leaking but I dont know where from, I choke it at the carby to flood and kill it and it picks up revs and starts idling normally rather then on 2-3 cylinders
My guess is at the manifold gasket as I have just had it all apart to do the head gasket. But then I'm not sure if I broke a vacuum line or something while doing it. Have tried spraying RP-7 around it but can't notice anything. It's really starting to annoy me.
My guess is at the manifold gasket as I have just had it all apart to do the head gasket. But then I'm not sure if I broke a vacuum line or something while doing it. Have tried spraying RP-7 around it but can't notice anything. It's really starting to annoy me.
Re: Sierra not idling
Had the same issue with mine recently guys...
Took me over 10 months to sort it.
Changed fuel lines, fuel tank, hoses, carbs etc.
Turns out that the intake manifold was loose.
Took 2 mins to do up with a socket.
Maybe just give those a tweak with a snapper and make sure its not that first before you waste time elsewhere...
Seems to be a common problem since they bounce around everywhere.
Took me over 10 months to sort it.
Changed fuel lines, fuel tank, hoses, carbs etc.
Turns out that the intake manifold was loose.
Took 2 mins to do up with a socket.
Maybe just give those a tweak with a snapper and make sure its not that first before you waste time elsewhere...
Seems to be a common problem since they bounce around everywhere.
Re: Sierra not idling
On mine it was cos the fuel tank breather was by the rear bumper so it sucked in mud and blocked the fuel filter 
Grow some balls.
That is all.
That is all.
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