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Old Yesterday, 12:31 AM   #1
4x4 Offroad 5.4 F-150 XLT
 
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Default 5.4l Common problems to look for?

Hey guys, I got rid of my 5.4 2001 4X4 X-cab for something with better gas mileage (2WD Sport trac) a couple of months ago. While the sport trac does drive tremendously and comfortably its just not the same lol. I found a 2003 FX4 Crew Cab with 2 inches of lift in my area with 138000 miles on it for 5400. I know a steal of a deal, while it does need some body work IE: new tailgate and a bullet hole from a hunting accident and the drivers seat is torn. However there is a slight knock in the engine. I am going to look at this truck tomorrow with my mechanic to see if he can identify the problem. Ive had sparkplug and coil issues with my last truck and its not anything like that its much more subtle and there is no engine light. Its just a little knock when I get on the gas. It may be nothing, Ill find out tomorrow. Anyways are there any common problems I should look for in the engine I never experienced with my last truck? Also how much do you think it would cost to get a new tailgate and fix the hole in the door my self with bondo?

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Old Yesterday, 01:57 PM   #2
4x4 Offroad 5.4 F-150 XLT
 
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Well my mechanic looked at it and said run away from that truck, said it had a bad engine and an exhaust leak just from looking at it for a few minutes so I guess I'll keep looking. Shame too, its hard to find one with so few miles.
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Old Yesterday, 10:21 PM   #3
1998 F150 SC 4X4
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Pays to take someone that knows with yuh donit.

Don't worry so much about the miles on the engines. If maintenanced correctly in the past, a 200,000 mile engine can be just as good or many times better than one w/50,000 miles.

The 5.4L's with higher miles are worth more than the smaller V8 modular motors in a like situation. The 5.4L's normally don't work near as hard as the 4.6L's throughout it's life. In-turn, engine longevity is higher for the 5four. Mpg's are identical for the two engines.
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Old Today, 10:59 AM   #4
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I loved my 5.4 they supposed to be great motors. However I had terrible luck with mine. I had 80k babied miles and followed all maintenance on it. I had a valve spring crack and it caused chaos and a chain of things to break. I had half top rebuilt and it never ran the same. I ended up trading it in for 2011. Now on the 5.4 defense I have never heard of this happening to any other truck.
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