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ace13567
Novice
May 13, 2006, 2:05 PM
Post #1 of 8
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1991 Jeep flooding
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hi i have a 1991 jeep yj that has bean siting in the driveway for a year and a half and it turns over and has spark but it will not start and then when i take my spark plugs out there flooded.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
May 13, 2006, 4:07 PM
Post #2 of 8
(1916 views)
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Re: 1991 Jeep flooding
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What comes to mind with long term storage like that outdoors is bad fuel - additives that was put in the fuel causes problems and may after even one flooding so it didn't feel like starting and sometimes even with spark the plugs won't work. They get the spark but won't make a good spark. If it was running ok when it was put there I would probably just put new plugs in it and mark your wires (masking tape or something) and leave the old plugs out for a day!
Also - I've seen hydraulic lifters compress and the valves don't work well but should again. It may take some serious cranking but go slow as you don't wan't to burn out the starter. You can heat up plugs with propane torch but it's generally not worth the trouble vs new. Use a bit of good old starting fluid in air intake but replace the air cleaner as it's also a spark/flame arrestor.
This is a place where I will suggest a fuel solvent and it may need a while to burn up the old fuel but get rid of it, by using it up or drain it.
You'll get it going and then check out the tire pressure, battery, change the oil in an outdoor stored car and you may need to do some brake work too. Vehicles don't like sitting around and some problems may show up but just one year may not be too bad.
Let us know how you are making out and expect some different problems till you hve used it some before you give it your full trust. Good luck, T
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ace13567
Novice
May 13, 2006, 5:32 PM
Post #3 of 8
(1910 views)
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Re: 1991 Jeep flooding
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Ya before I tried to start it I changed the spark pugs and spark plug wires, checked the coil and cap and rotter, and also I took the valve cover off to check that all of the valves were working and did an oil change with the valve cover off to make sure that there was plenty of oil on the push rods, valves, and rocker arms. So my guess is also that it is bad fuel.
Also do I have to drain the tank or will adding more gas be enough?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
May 13, 2006, 8:08 PM
Post #4 of 8
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Re: 1991 Jeep flooding
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I've never been able to get all the fuel out of a tank and the problem may be between the tank, fuel filter, injectors and I you can get away with it it's a whole lot easier to use solvents but they have to move along. SeaFoam is an awesome product and you may have water from condensation and time (this jeep isn't new anymore) and it gets into. One year old gas is old but I've dealt with some five year old gas that was a pest. The solvents should work if this is it. Use only isopropyl achohol based water remover. Methanol just prevents the water from freezing but doesn't remove it.
If starting fluid doesn't get you some reaction we may be barking up the wrong tree here. None of this work will hurt though and we'll keep trying, T
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ace13567
Novice
May 18, 2006, 4:22 PM
Post #5 of 8
(1895 views)
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Re: 1991 Jeep flooding
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Yea I got my jeep running after replacing the fuel filter and adding some of that isopropanol stuff to the tank. And it runs fine except for one of my valves is ticking and I was wondering how exactly to fix it?
Also my power steering fluid is low and my Haynes Manuel says to use “Jeep power steering fluid (or equivalent)” which what would classify as equivalent?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
May 19, 2006, 11:41 AM
Post #6 of 8
(1890 views)
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91 Jeep valve tick and PS
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The valve may be fixed with just changing the oil too much or a solvent which I don't wan't to recommend right now. It could be sludge, bad lifter or not nice a worn lobe on camshaft.
Where was the PS leaking? You can use just trans fluid or the product that works for 100K now in my own car for a shaft seal called TransX. It's just a maybe and won't fix a real leak in a hose and may not work but I haven't found it to hurt anything. It took several tries before that TransX worked but it has in now a low use car of mine with a bazillion miles on it. I generally don't believe in additives except for water removing dry gas.
Just new oil is a slow cleaner of your engine. Fast stuff may throw too much junk at once and cause problems again - some fatal for the engine. The ticking valve could just be a loose plug and you can see them wobble and they can fall out which will wake up the neighbors!
The real fix if you need this car bad is to replace the bad parts - I don't drive much further than I can walk and I will try some tricks on my own cars. Ok - that's my own cars all old, but the real fix is new parts. Good luck, T
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ace13567
Novice
May 19, 2006, 8:52 PM
Post #7 of 8
(1887 views)
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Re: 91 Jeep valve tick and PS
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Ya the only reason why the power steering fluid is low is because the jeep used to belong to my brother which he doesn’t know much abought cars and did some work of his own which he wound up loosening off the 2 bolts that hold up the reservoir so it was siting upside down.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
May 19, 2006, 10:25 PM
Post #8 of 8
(1886 views)
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Re: 91 Jeep valve tick and PS
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That would explain some problems.!!!!
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Just for readers of this thread that was a different problem but all cars/vehicles with PS should never be forced when at the full end of their travel as they are stupid and will just make unreal pressures that can only cause problems. T
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