Question about 1999 Hyundai Sonata

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Did the servicing and tried to start the engine, it will start but its not working well. when the plugs was checked, it was already wet with fuel.

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It sounds like it's been flooded with fuel. Take the plugs out and dry them off then put them back in. When you start the car, hold the accelerator/gas pedal down (don't pump it). This will help to remove any excess fuel from the cylinders. When started, let go of the accelerator (obviously :) )

Posted on Dec 02, 2014

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Posted on Jan 02, 2017

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I have a Nissan hardbody 2.4i petrol the plugs are getting wet and it starts to misfire what could be the cause


It is a chicken and egg question - which came first, the wet plugs or the misfire?

Are the plugs wet with fuel or is it oil?
Are all the plugs equally wet?

If the ignition system is in good order and the correct spark plugs, correctly gapped and in good condition are fitted, it would be expected if the engine was receiving (moderately) too much fuel, it would keep running until the plugs were completely sooted, black and shorting out and unable to spark properly but at that moment the plugs would still be quite dry.
Persisting after this will of course cause wet plugs if the engine is still relatively cool but the sooty evidence of what has happened will still be there.

If the plugs are relatively clean but wet it is unlikely to be fuel as such large quantities that is would take to wet the plugs without any sooting it would be doubtful if the engine ran at all.

I hope I have provided you with food for thought. If you need to post again please provide accurate and detailed descriptions of the symptoms and what you have already checked.

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