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2008 Expedition lacks power compared to 2005

6 messages,  Last post on Nov 13, 2011 at 3:18 PM

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What is this discussion about? Ford Expedition, Performance Mods, Engine, SUV

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#1 of 6 2008 Expedition lacks power compared to 2005 by robjamell

Sep 27, 2009 (4:54 pm)

I have a 2005 Expedition Eddie Bauer that has 65k miles on it. It idles a little rough and the engine sounds like marbles in a paint can(probably due to cam phasers). I always assumed I was not getting all of its performance. That being said, I just bought a 2008 and I cannot believe the difference in overall engine performance. The 2008 has very poor throttle response and no grunt.
 
Before everyone comes up with ideas that would explain the difference, I want to say that the difference is NOT SMALL. If feels like about 100 ft/lbs difference. The 2008 feels like my 4.6L 1998 f150 and the 2005 feels like a Mustang GT. In addition to the missing power...it feels as if the 2008 is never in a low enough gear.
 
Has anyone else experienced the difference in these two years?

#2 of 6 Re: 2008 Expedition lacks power compared to 2005 [robjamell] by mbergthold

Apr 18, 2010 (12:11 am)

Replying to: robjamell (Sep 27, 2009 4:54 pm)
Be glad you didn't buy a 2010. My 97 F150 4.6 OffRoad had more power than this dog. Looking for a chip. Also hate the headrest, the ride, and the handling. Last Ford I buy. Used to love 'em, now I hate em.

#3 of 6 2005 Expedition-Grinding noise at turn by thunderdog1

Nov 13, 2011 (5:21 am)

Accelerating thru a turn from dead stop creats a grinding noise. It quits when the car gets straiaight. Can't tell where it is coming from, but its not a tire rubbing. Does it every time in either direction..

#4 of 6 Re: 2005 Expedition-Grinding noise at turn [thunderdog1] by alwaysfords2

Nov 13, 2011 (8:01 am)

Replying to: thunderdog1 (Nov 13, 2011 5:21 am)
That is likely the limited slip rear end. Have you serviced it every 30k like is suggested? If it has been serviced, have you added the friction modifier?

#5 of 6 Re: 2005 Expedition-Grinding noise at turn [alwaysfords2] by thunderdog1

Nov 13, 2011 (1:50 pm)

Replying to: alwaysfords2 (Nov 13, 2011 8:01 am)
I bought the vehicle at 100k and do not know.,I have only put 9k on it, so I will check that out, is it something that would be an emergency? I have to put another 1000 miles before I can take it in... thanks

#6 of 6 Re: 2005 Expedition-Grinding noise at turn [thunderdog1] by alwaysfords2

Nov 13, 2011 (3:18 pm)

Replying to: thunderdog1 (Nov 13, 2011 1:50 pm)
The sooner the better, the grinding is the clutches grabbing and this will ultimately wear them out.

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