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  #1  
Old 03-17-2013, 07:09 PM
italian88 italian88 is offline
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Default Burning oil

I have a 1999 xlt 4x4 off road with 3.0L and I burn oil. The burn has gone from burning a quart every 3,000 miles (my oil changing schedule) to burning enough oil where the oil is low by the time I have to change it, which my guess is 2+ quarts burnt. I'm just wondering what possible things can cause the engine to burn oil. My truck has 257,xxx miles on it.

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1999 Ford Ranger XLT 4x4 off road package, Step side bed, Extended cab, 3.0L vulcan v6, 4.10 open gears, Kicker ks-98's in all four stock speaker slots, After market jvc head unit, JL Audio single 12'' W3 sub eoofer in ported box, JX-500/1 class D amp, Memphis 8AWG wiring with inline fuse, Spectre cold air intake, 4 spd with o/d auto transmission
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  #2  
Old 03-17-2013, 08:02 PM
Bob C. of Indiana Bob C. of Indiana is offline
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Default Re: Burning oil

Sounds like time for a engine overhaul or a new engine...Is it dripping or blowing smoke out the tailpipe?
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  #3  
Old 03-17-2013, 08:13 PM
dangerranger94 dangerranger94 is offline
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Default Re: Burning oil

piston rings..maybe valve seats, 2+ quarts aint as bad as my old chevy pickup..quart every 100 miles..
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  #4  
Old 03-17-2013, 08:15 PM
Bitzy Bitzy is offline
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Default Re: Burning oil

Sounds like its time for a new motor.
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  #5  
Old 03-17-2013, 09:04 PM
italian88 italian88 is offline
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Default

Quote:
Originally Posted by Bob C. of Indiana View Post
Sounds like time for a engine overhaul or a new engine...Is it dripping or blowing smoke out the tailpipe?
No dripping, and no smoke coming out of tailpipe, I kept a close eye for those two things ever since I notice the engine burning oil.

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1999 Ford Ranger XLT 4x4 off road package, Step side bed, Extended cab, 3.0L vulcan v6, 4.10 open gears, Kicker ks-98's in all four stock speaker slots, After market jvc head unit, JL Audio single 12'' W3 sub eoofer in ported box, JX-500/1 class D amp, Memphis 8AWG wiring with inline fuse, Spectre cold air intake, 4 spd with o/d auto transmission
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  #6  
Old 03-17-2013, 10:27 PM
rangerlocal rangerlocal is offline
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Default Re: Burning oil

If it's not smoking black, it's not completely burning it. There may be a culmination of things, like valve cover gaskets. Sometimes they leak at the exhaust manifold side, and burn off the oil under the hood and you never see it smoke. Check the PCV too, it could be partially blocked pressurizing the crankcase and making oil ooze out of the seals.

Get a vacuum gauge and hook it up if you have one. It'll tell you the overall condition of your motor just by a quick peek. Compression leakdown test can also reveal worn rings. More than likely, the rings are pretty worn at 250k+, but it's not uncommon for these engines to go well beyond 300k with no problems. Vacuum gauge and compression test will reveal whether you're due for a rebuild.
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2000 Ranger XL, 2WD, 3.0l, 3.73 rear, 10" rear drum ABS, standard cab, long bed, A/C, 4r44e auto trans w/transgo shift kit, throttle cable mod, air box silencer mod, rear sway bar retrofit, white grill swap, CURT hitch, Westin step bars
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  #7  
Old 03-17-2013, 10:37 PM
italian88 italian88 is offline
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Quote:
Originally Posted by rangerlocal View Post
If it's not smoking black, it's not completely burning it. There may be a culmination of things, like valve cover gaskets. Sometimes they leak at the exhaust manifold side, and burn off the oil under the hood and you never see it smoke. Check the PCV too, it could be partially blocked pressurizing the crankcase and making oil ooze out of the seals.

Get a vacuum gauge and hook it up if you have one. It'll tell you the overall condition of your motor just by a quick peek. Compression leakdown test can also reveal worn rings. More than likely, the rings are pretty worn at 250k+, but it's not uncommon for these engines to go well beyond 300k with no problems. Vacuum gauge and compression test will reveal whether you're due for a rebuild.
What kind off vacuum readings should I look for? And where do I hook it up at? I have never used a vacuum gauge.

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1999 Ford Ranger XLT 4x4 off road package, Step side bed, Extended cab, 3.0L vulcan v6, 4.10 open gears, Kicker ks-98's in all four stock speaker slots, After market jvc head unit, JL Audio single 12'' W3 sub eoofer in ported box, JX-500/1 class D amp, Memphis 8AWG wiring with inline fuse, Spectre cold air intake, 4 spd with o/d auto transmission
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  #8  
Old 03-17-2013, 11:10 PM
rangerlocal rangerlocal is offline
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Default Re: Burning oil

They say that normal/healthy (at sea level) should be around 18"-20" of vacuum. The higher you are the lower the "normal" reading should be. Hook it up to a manifold vacuum source. A good one is the brake booster, but make sure the fitting doesn't get sucked into the hose. My engine reads around 16-17, but I'm 700 feet above sea level and I have over 148,000 miles on mine. So I'm sure it has some wear. Runs fine though, with a nice steady needle.

When the gauge is hooked up, you also need to do a full throttle blip and watch the readings. It should immediately drop to 0 and bounce up to 24+ for an instant before dropping back down to 18-20. If it doesn't go that high after the throttle blip, it's nearly a sure fire diagnosis for worn rings.
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2000 Ranger XL, 2WD, 3.0l, 3.73 rear, 10" rear drum ABS, standard cab, long bed, A/C, 4r44e auto trans w/transgo shift kit, throttle cable mod, air box silencer mod, rear sway bar retrofit, white grill swap, CURT hitch, Westin step bars
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Man wish i had tits, seems like its easier to get a job if you have tits.
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  #9  
Old 03-17-2013, 11:27 PM
angelo1994 angelo1994 is offline
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Time for a new truck

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  #10  
Old 03-18-2013, 12:52 AM
thgrahamjr thgrahamjr is offline
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Default Re: Burning oil

Quote:
Originally Posted by italian88 View Post
I have a 1999 xlt 4x4 off road with 3.0L and I burn oil. The burn has gone from burning a quart every 3,000 miles (my oil changing schedule) to burning enough oil where the oil is low by the time I have to change it, which my guess is 2+ quarts burnt. I'm just wondering what possible things can cause the engine to burn oil. My truck has 257,xxx miles on it.

Sent from my old school HTC EVO Shift so I can screw off at work whenever I want
Your 99 has 257,XXX miles on it...wow my 99 has 83,XXX miles...
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  #11  
Old 03-18-2013, 10:15 AM
italian88 italian88 is offline
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Default

So my ranger us pretty much living on borrowed time now?

Yeah I bought it in september 2011 with 217,000 miles, I have put 30,000 miles on it since then.

Sent from my old school HTC EVO Shift so I can screw off at work whenever I want
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1999 Ford Ranger XLT 4x4 off road package, Step side bed, Extended cab, 3.0L vulcan v6, 4.10 open gears, Kicker ks-98's in all four stock speaker slots, After market jvc head unit, JL Audio single 12'' W3 sub eoofer in ported box, JX-500/1 class D amp, Memphis 8AWG wiring with inline fuse, Spectre cold air intake, 4 spd with o/d auto transmission

Last edited by italian88; 03-18-2013 at 10:29 AM.
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  #12  
Old 03-18-2013, 11:18 AM
rangerlocal rangerlocal is offline
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Default Re: Burning oil

Depends on how well it was maintained. These engines will go well beyond 300k with little more than routine maintenance, but they have their quirks that if aren't kept an eye on, can really harm these motors. Eg: water pump, cam synchro.

Finding a relatively low-mileage Taurus engine isn't too hard, and you can swap your wiring and electronics over from your existing setup. I think the head gaskets are slightly different on the Taurus engine, but that's it really. That might be the way to go if it turns out your baby has just been ridden to death, but I wouldn't give up quite yet. Still do the vacuum gauge and compression check; these motors are quite stout.

If oil consumption continues, try a thicker "high mileage" oil. It may be enough to prolong the inevitable that happens to all our vehicles in due time.
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2000 Ranger XL, 2WD, 3.0l, 3.73 rear, 10" rear drum ABS, standard cab, long bed, A/C, 4r44e auto trans w/transgo shift kit, throttle cable mod, air box silencer mod, rear sway bar retrofit, white grill swap, CURT hitch, Westin step bars
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Man wish i had tits, seems like its easier to get a job if you have tits.
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  #13  
Old 03-18-2013, 04:40 PM
italian88 italian88 is offline
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Default

I use pennzoil 10W-30 high milage. I'm gonna do the vacuum check someone this week. Ill update the info when I do this.

Sent from my old school HTC EVO Shift so I can screw off at work whenever I want
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1999 Ford Ranger XLT 4x4 off road package, Step side bed, Extended cab, 3.0L vulcan v6, 4.10 open gears, Kicker ks-98's in all four stock speaker slots, After market jvc head unit, JL Audio single 12'' W3 sub eoofer in ported box, JX-500/1 class D amp, Memphis 8AWG wiring with inline fuse, Spectre cold air intake, 4 spd with o/d auto transmission
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  #14  
Old 04-29-2013, 04:04 PM
JoeP JoeP is offline
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Default Re: Burning oil

I have a 92 v6 3.0 and am having issues with burning about a quart of oil every couple of weeks sometimes a bit longer. I have recently done an oil change less than 3k miles and have done work to the engine trying to get it running better. Another issue I am having is when I do a cold start the voltage meter bounces up and down, and it struggles to stay running, if I do not let it warm up a bit it dies. Am not sure if the burning oil is related, I read on another post about cleaning the IAC which could fix the issue. The vehicle sat for four years before I started using it, its my grandmothers truck. I have done an oil change, trans flush and filter change, changed fuel filter, new thermostat, new brake booster, rear brakes, new starter, alternator. Many of the parts are the originals from 92, when I changed the spark plugs they were rusted in.
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  #15  
Old 04-29-2013, 08:41 PM
rangerlocal rangerlocal is offline
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Default Re: Burning oil

Make a new thread. And yes, I concur with cleaning the IAC for the idling problem, but it could be other things as well. A new thread will get you more help.
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2000 Ranger XL, 2WD, 3.0l, 3.73 rear, 10" rear drum ABS, standard cab, long bed, A/C, 4r44e auto trans w/transgo shift kit, throttle cable mod, air box silencer mod, rear sway bar retrofit, white grill swap, CURT hitch, Westin step bars
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Originally Posted by writtenaudio View Post
Man wish i had tits, seems like its easier to get a job if you have tits.
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