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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 07-07-2008
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I am: tony rogers
Join Date: Jul 2008
Location: austin,tx
Vehicle: 2008 ford ranger
Posts: 6
Total Props: 0
rough or gringing at 1500 rpm

I have a new 2008 ranger (4k miles) with 3.0 V6. When driving at around 1500 rpm with A/C on it has a rough or grinding feel to it. Without the A/C it's fine.
Dealer changed the serpintine belt which did nothing to fix it.
My question: has anyone heard of this before. I suspected a faulty compressor but before I battle with the dealer I want to be sure it is not something normal due to gear shift ratio with A/C on.
Any ideas?
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Old 07-08-2008
I am: Earl ?
Join Date: Nov 2005
Location: Elizabeth City, NC
Vehicle: 2000 Ranger XLT 4x4
Posts: 767
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Do battle.

Make them show you that another truck does that.
They won't be able to. Battle over.
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Old 07-11-2008
ShadowGray3.0's Avatar
I am: Frank B
Join Date: Jul 2008
Location: Littleton,NC/Va. Beach, VA
Vehicle: 2004 Ranger Edge
Posts: 6
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I have heard about this issue before. It had something to do with a dirty Mass air sensor or something like that. I have an '04 5 speed and have had the issue when I have my A/C on. Most of the time, I just roll the windows down, so I dont worry about it too much.
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Old 07-11-2008
WowMike2001's Avatar
I am: Mike S.
Join Date: Oct 2007
Location: Stevenson, WA
Vehicle: 2001 XLT Supercab 4x4
Posts: 2,583
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Almost sounds like a bearing is going bad if it has a nasty grinding feel to it.
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Old 08-01-2008
I am: Steve Davidson
Join Date: Feb 2008
Location: unknown
Vehicle: 2004 Ford Ranger Edge
Posts: 890
Total Props: 0
It could be that or it could be this: Camshaft and valvetrain problem. Did you buy it new or used? Mine does that but I have a wear and tear issue. Mine just turned over 65K miles too.
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