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Old 06-16-2013, 12:43 AM   #1 (permalink)
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Default burnig oil/ fouled plug

ok, so my 99 Taurus still burns a little oil between oil changes. I replaced the stem seals about 1k ago helped a lil bit because I have a puff of blue smoke at start up. my dumb self put 5w20 in it because I saw a TSB on it. I was told by mechanic at work that I should switch 2 10w30 ( 104k on car ). heading to a concert tonight my cyl 5 plug fouled out ( oil fouled ). i did a compression test on it a few weeks ago and it was like.... 100psi. also when i shut the car off (sometimes) i hear a tapping sound from it sounds like the middle of the engine...

so..... what do u guys think about this and what could be the cause? and u think i should put 10w30 in the car?

thanks in advance!
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Old 06-16-2013, 01:24 AM   #2 (permalink)
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Motor is no good.... Even a cold compression should be around 130psi. Sounds like the rings are fried. If u do buy get one from a junkyard. OHV engines are a dime a dozen. I would put some lucas oil stabilizer and ride it out. Keep thicker oil in it and change that spark plug. Good luck!!

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Old 06-16-2013, 01:35 AM   #3 (permalink)
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Try a can of restore with the next oil change. It MAY help with the low compression.
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Old 06-16-2013, 09:08 AM   #4 (permalink)
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You maybe have a sticking lifter on one of the valves of that cylinder. Not recommending this but, I did it on a 1975 firebird that I owned. I put a cup of kerosene in the oil and let it idle for ten minutes and the ticking went away. So I would think some Seaform or Restore may loosen up the lifter.

Is it a ticking sound?

You can get a hotter plug to help burn off the oil but if the compression does come up the you need engine work. Also if you squirt oil in that clinder and the compression doesn't raise then it is most likely a valve issue

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Old 06-16-2013, 06:11 PM   #5 (permalink)
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Quote:
Originally Posted by Automender12345 View Post
You maybe have a sticking lifter on one of the valves of that cylinder. Not recommending this but, I did it on a 1975 firebird that I owned. I put a cup of kerosene in the oil and let it idle for ten minutes and the ticking went away. So I would think some Seaform or Restore may loosen up the lifter.

Is it a ticking sound?

You can get a hotter plug to help burn off the oil but if the compression does come up the you need engine work. Also if you squirt oil in that clinder and the compression doesn't raise then it is most likely a valve issue
I use a quart of ATF in the oil. Drive around with it in for about 1,000 miles and any ticking went away.
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Old 06-16-2013, 11:10 PM   #6 (permalink)
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Quote:
Originally Posted by gabriel9766 View Post
ok, so my 99 Taurus still burns a little oil between oil changes. I replaced the stem seals about 1k ago helped a lil bit because I have a puff of blue smoke at start up. my dumb self put 5w20 in it because I saw a TSB on it. I was told by mechanic at work that I should switch 2 10w30 ( 104k on car ). heading to a concert tonight my cyl 5 plug fouled out ( oil fouled ). i did a compression test on it a few weeks ago and it was like.... 100psi. also when i shut the car off (sometimes) i hear a tapping sound from it sounds like the middle of the engine...

so..... what do u guys think about this and what could be the cause? and u think i should put 10w30 in the car?

thanks in advance!
Just get a new(used) engine, they are so cheap its crazy.
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Old 06-17-2013, 12:19 AM   #7 (permalink)
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i really don't wanna put an engine in..... I friend told me today he thought it could b a stick piston ring and he thought I should put a little seafoam in the crankcase a few hundred miles before I change the oil. and put 10w30 in it. hopefully tht will hold me off for the near term. im using maxlife syn/blend oil in my car would the synthetic blend affect the oil burning?
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Old 06-17-2013, 06:36 AM   #8 (permalink)
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I would do a leakdown test to determine why that cyl has low compression before doing anything else.
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Old 06-17-2013, 07:21 AM   #9 (permalink)
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^+1. If its leaking past the rings, get a new motor. If its leaking past the valves, you CAN pull the head and take a peak at the valves. To be honest, I would just put a new engine in it.


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Old 06-17-2013, 09:41 PM   #10 (permalink)
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ugh. really don't wanna put an engine in it. I've had the car for 7k ( bought it at 96,977, got 104,170 on it now ) my teacher who I bough it from said the car had a headgasket rebuild a few thousand miles b4 I bought it from him. in not sure how bad it was but do u think it could hoave been bad enough to mess up the rings maybe?
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