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Hello all
In my earlier thread I told how, when I pulled the choke out for a cold start, the idle wouldn't rise, in fact it started to gurgle and then the engine died. I received the advice to adjust the fast idle screws on the carbs (HS6), and this was my first foray into changing anything on my car.
So this morning I started from cold with the choke pulled out. Started well. Then I shot out to look at the engine. It started to die as normal, so I manually throttled it and at the same time screwed the fast idle screws clockwise (as if you were looking at them - 'tightened'). This did raise the idle sufficiently so that when I stopped throttling with my other hand, the idle was high enough not to let the engine die. So far so good. Then I did a test drive, with the result that the idle was far too high once the engine had warmed up, i.e. stopped in traffic. So I lowered the same screws to get the idle down.
So what result have I got. I have raised the screws to get one result when cold and lowered them again to solve the resulting high idle when warm. Surely I've cancelled it out!
I've probably not adjusted the correct screws. The ones I adjusted were labelled in the Haynes as 'fast idle' screws and are reached from below with the screwdriver pointing at an angle, upwards.
To me, at the moment, the fast idle is the same as the idle, but can you please tell me where I am going wrong. I've got the interest now, and don't want to lose it!
Thanks, as ever,
Tom
London
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