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Post by roddyc130 on Apr 23, 2013 17:58:44 GMT 1
Just got my Laurel c130 back from the garage after getting a few we jobs done, however it has been dropped off to me and its running like crap, it's running at far to rich, I took the plugs out and they were jet black, gave them a clean but she gives little mini pops / bangs from the exhaust when idling, is there some screws on the carb that I can adjust to lean it out a bit ? ... And can they easily be seen ? Any other ideas would be welcome  |
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Post by Al Ramone on Apr 23, 2013 21:30:13 GMT 1
you got it back from a garage and the car now runs worse?
anyway. first thing i'd do is go through the ignition system and make sure thats all good and timing set correct.
there is a tamper proof adjustment screw but unlikely that it's moved..?
maybe the choke is stuck on?
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Post by roddyc130 on Apr 23, 2013 21:53:23 GMT 1
Lol ... I knew somebody would mention about coming back from garage and being worse. It was in for body repairs not engine work. I have went through the system and all seems fine, choke definitely ain't stuck on  |
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Post by Talking Hoarse on Apr 24, 2013 6:47:54 GMT 1
Now I am not an expert etc...... but as Al suggests it sounds rather like the choke mechanism is stuck closed or part closed. I think you need to remove the air cleaner (assuming this is a carb & not injected model) and ensure that the chokes (flaps) are not closed, and if they are trace the fault back.
If it is a Nikki carb like on the 4 cylinder L series engines, this has a see through window in the carb body to indicate fuel level in the float chamber - and as I recall there is even a mark (about ½ way up?) to show where it should be. It could also be that the float or needle valve in the float chamber is stuck or damaged which I reckon would cause flooding. As for taking the Nikki to bits to sort it - I am not a friend of Nikki so wouldnt recommend it unless you are! (I find mine perverse when compared with an SU, Stromberg or Weber etc).
When you do sort the fault, ensure you fit a new fuel filter that just might help stop it happening again.
The only prob I had with mine - and that vexxed me for a while - was a leak in the short emissions hose from the engine breather to the inlet manifold valve that caused the opposite (ie very weak running).
Ed
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Post by Al Ramone on Apr 24, 2013 7:19:03 GMT 1
If it is a Nikki carb like on the 4 cylinder L series engines, this has a see through window in the carb body to indicate fuel level in the float chamber - and as I recall there is even a mark (about ½ way up?) to show where it should be. It could also be that the float or needle valve in the float chamber is stuck or damaged which I reckon would cause flooding. good point and well worth checking. happened on a couple of cars i've had |
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Post by roddyc130 on Apr 24, 2013 9:00:09 GMT 1
I did notice the fuel level was about 3/4 up the window on the carb yesterday. I'll look into it, |
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Post by Al Ramone on Apr 24, 2013 19:22:23 GMT 1
I did notice the fuel level was about 3/4 up the window on the carb yesterday. I'll look into it, that where it should be. there should be a mark in the glass. |
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Post by roddyc130 on Apr 24, 2013 21:24:21 GMT 1
Would the points being out cause this symptoms ? ...
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Post by Al Ramone on Apr 24, 2013 21:28:12 GMT 1
like i said before, i'd def start by looking at the ignition side of things
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Post by roddyc130 on Apr 25, 2013 17:02:05 GMT 1
like i said before, i'd def start by looking at the ignition side of things Well that's my precious time at home ended and work calls, next time im home I'll have time on my side to go over it properly ...hopefully it's a simple fix. |
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