Question about 1994 Suzuki Swift
My suzuki swift has been sitting for roughly ten weeks, when i went i couldnt get it to fire up. it goes to but then cuts out i thought it could be damp in the leads so i sprayed them all with wd40 and tried it again, but it still didnt work.
i noticed that when i was trying it the engine was turning over , juddered and then stopped there is a weird noise ccoming from the carb when this happens like a backfire im not sure ?
is this because the petrol is off because its like old ?
any input would be great thanks
I think the problem might be jammed choke. this cars have auto chokes that open/close with temperature . if the choke butterfly is stuck in open or close the engine might not start. it might start and die again. remove the air cleaner and check the choke butterfly valve.it should be closed when engine is cold. if not try pumping the accelerator pedal as you are starting to give the extra fuel for starting up. if all this doesnt help you need to service you carburettor and i am sure your car will be back to normal.
Posted on Dec 25, 2009
10 weeks of sitting could mean a lot of things. First thing to do is check for air, spark and fuel.
Because you car sat for a good period of time, sometimes critters can move into the intake tubes of the engine and build little nests. These nests cut off air supply and make the car undriveable. It happens a lot more than you think. I also repair lawn equipment and I bet about 5-10% of the no-starts I get are from nests blocking off combustion or cooling air to the equipment!
If you find a nest in the intake, remove it and be prepared to replace your spark plugs as they may be fuel fouled. This nest could be stuck in your intakes mass airflow sensor so look all through the intake tubing.
No blockage? Motor is drawing air in when you crank it? Ok. Next!
Since the car has only been sitting for weeks I would say the fuel quality is still ok. The only thing that would be bad is if your fuel cap was leaking and it rained a lot and water got in. That would be easy to confirm. Do you smell fuel after cranking the car for a bit? Does it smell bad? A quick blast of instant start *(ether spray) Can sometimes tell you if you problem is fuel. The carb does hold fuel inside of it and that fuel may be wetted to the point of not working well.
If you have fuel and a carbureted engine, you should be able to work the throttle manually from under the hood and look down the carb to see if the accelerator pump is working and has fuel. If you see and smell good fuel you need to move on. If the instant start makes the car start for a few seconds. You may want to drain the carb and get some water chaser for your gastank.
The instant start didnt work? You see and smell good gas in the carb?
Ok. Next! Check for spark.
This test involves high voltage so be very careful handling the plug wires.
Take a plug wire off its spark plug and put a phillips head screwdriver in the boot where the plug normally goes. Place the screwdriver on top the engine in a safe spot with a small gap between the metal driver and something grounded on the engine. *(a metal bolt head usually works.
Now with no one touching anything under the hood or near this plug wire crank the engine and watch for spark to jump from the screwdriver to the grounded bolt head.. Do you see spark? Yes?
You have air, fuel and spark? Next!
You have a problem which needs attention by a mechanic with diagnostic tools and deeper understanding of your car.
Posted on Dec 11, 2009
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Posted on Jan 02, 2017
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