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2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 04-25-2008
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2007 Ranger, Low Oil Pressure Light.

Hello all, new to the forums. I got a 2007 ford ranger with the 3.0 V6 in it, (22,500 KM on the motor). Noticed a slight ticking sound at idle it comes and goes. When I rev it up it goes away for awhile (30 secs or so) and returns and sometimes the low oil pressure light comes on at idle and when i rev it up it goes out. Checked oil, its good getting a little dirty but the oil has about 2500k on it. What gives? Thanks in advance
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Old 04-25-2008
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Change the oil and filter and if it goes away that's then maybe it's just some problem with the oil filter. But if the problem persists get it checked out soon. Low oil pressure is nothing to delay checking out.

Are you using the correct oil? Mileage isn't the whole picture since oil hydrolyzes and oxidizes with time even when the mileage isn't up on it. If it's been 6 months since you changed it, change it anyway.

Too thick an oil causes the tappets to have a hard time pumping up on the newer 3.0's. I presume there are changes made to the engine to accomodate thinner 5W20 oil and it seems that if you use thicker oil it causes this problem as it ages.
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Old 04-25-2008
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yea, defintiely get that checked out soon...could be serious issues ya know
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Old 04-25-2008
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Thanks for the input. I always get the oil changes done at the dealer. I dropped it off at the dealer this morning. I was thinking it was a pump. But theres been nothing but 5w30 Ford oil in it. Its under warrenty, so Will hopefully know whats wrong with it today
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Old 04-25-2008
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Quote:
5w30
The dealer should know that it takes 5w20, however, there is many a debate as to is it really necessary. I know people that run 5w30 all the time. 5w20 is recomended because it supposedly gets better mileage. In my older leased vehicles in winter they put in 10w30 and I never had a problem. Hopefully, it will be simple. You may have a bad filter. I always get an oil change on a new vehicle -- you never know how long the oil was in there. Let us know the result.
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Old 04-25-2008
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Years ago, I ran 5W30 in my 3.0, and when the oil got old, it began to make valve noise at startup. It never did that with 5W20. That's why I suspect there are differences in oil feed holes in the engine to accomodate the lower viscosity.

It's probably a good idea to run the recommended weight, but it's a choice for sure.
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Old 04-25-2008
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dealer called back and said the engine is not getting any oil pressure at idle. Oil pressure only occurs when its reved up.
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Old 04-25-2008
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Did the oil pump already go bad? I'm interested to see what the issue is... On such a new vehicle nothing like this should ever happen. I'm assuming it's still under warranty?
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Old 04-25-2008
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Originally Posted by steve341 View Post
dealer called back and said the engine is not getting any oil pressure at idle. Oil pressure only occurs when its reved up.
Get that in writing and demand a NEW engine under warranty. Don't settle for anything less.
Don't let them tell you it didn't hurt anything because without a complete teardown (which they most likely won't do) You have no way of knowing how much damage was done at idle with low/no oil pressure.
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Old 04-25-2008
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Originally Posted by OTRtech View Post
Get that in writing and demand a NEW engine under warranty. Don't settle for anything less.
Don't let them tell you it didn't hurt anything because without a complete teardown (which they most likely won't do) You have no way of knowing how much damage was done at idle with low/no oil pressure.
I agree.
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Old 04-25-2008
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yeah its under warrenty atleast. I want to look at the engine myself when its all apart and look at the damages myself and if it looks bad I will demand a new engine. I agree this thing is practically brand new and the motor needs work already just insane. I didnt drive the **** out of it or anything, and always mantained it. Good maintence got me 380,000K outta a 89 with a 2.3L which was still running when the dealer gave me 500bucks on it for a tradein lol.
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Old 04-25-2008
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Originally Posted by fifthranger View Post
The dealer should know that it takes 5w20, however, there is many a debate as to is it really necessary. I know people that run 5w30 all the time. 5w20 is recomended because it supposedly gets better mileage. In my older leased vehicles in winter they put in 10w30 and I never had a problem. Hopefully, it will be simple. You may have a bad filter. I always get an oil change on a new vehicle -- you never know how long the oil was in there. Let us know the result.

Sorry I ment 5w20 was a typo
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Old 04-26-2008
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Originally Posted by steve341 View Post
yeah its under warrenty atleast. I want to look at the engine myself when its all apart and look at the damages myself and if it looks bad I will demand a new engine. I agree this thing is practically brand new and the motor needs work already just insane. I didnt drive the **** out of it or anything, and always mantained it. Good maintence got me 380,000K outta a 89 with a 2.3L which was still running when the dealer gave me 500bucks on it for a tradein lol.
I would demand an engine replacement regardless of whether you "see" damage or not... Not having oil circulating in a running engine WILL damage things. Just for peace of mind, I'd definitely want a new engine.
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