Please help with any trouble shooting ideas to get my 1991 hyundai excel going
I have a1991 hyundai excel i have replaced the coil pack the leads and the plugs. what is the firing order just in case i have put a lead on wrong? or could it be a computer fault? is there any way of testing it? when you turn it over it sounds like its miss firing. the coil pack was cracked before hand so could the computer be shorted out? the dizzy seems to be alrite and there are a few cracks in the distrubter cover but they are not all the way thru! please help its not worth the money to spend a mechanic and i am quiet mechanacly mindid.
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I'm very surprised pouring water onto the engine makes it start, if anything you are pouring water into the sensors, electrical wiring and surrounding the spark plugs. Water and electricity shouldn't mix, ever.
Check the distributor cap for any cracks - replace if there is.
Check a spark is getting to the spark plugs by holding an HT lead (one by one) to the engine block, crank the starter and if you see a spark that lead is OK, repeat for the other leads. If there is no spark, change the coil or coil pack.
Once you have established a spark then it could be fuel related. Check the injectors are wet after you have pumped the gas pedal. Hold the throttle wide open and try and start the car, if it starts then you timing could be out.
Adjust the timing with a timing gun.
I hope this helkps you and please vote for me and please don't pour any more water on your engine :)
Have you measured the compression? Very low compression can be the reason. And the reason for low compression can vary - broken compression ring, worn valve/valve seat... You are sure you are getting a spark, just before the spark plug, right? Have you checked the timing of ignition?
Is the heaps of white smoke come out of the tail pipe LONG AFTER the 15 minutes period?
To pin point a blowing headgasket you will need
1)coolant system compression tester
2)chemical reaction test for combustion test gas
If it's the org. engine from 1998,with over 120,000 then blown headgasket is a good possiblity.
Tow it to the shop and let the pro to do the coolant pressure test and combustion gas test.
A full head gasket job with head re-surface (if it can be re-use) is worth it.
Shop around on well estiblished independent shops.
You really need to find the source of the air leak ! It there is a leak it will cause all sorts of mayhem. A good way to find a vacuum leak is to spray some engine start or WD40 around the engine but away from the air intake , If the engine speeds up when you spray thats where you leak is. Hope this helps.