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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

6.4 major engine failures

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Old May 23, 2010 | 08:41 PM
  #31  
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I agree with you on the big fords. Single worst chassis to work on every. You msuta worked for a truck dealer being isx certified.navistar is really not into doing pistons and such on v8s. They ask stupid questions like when my engine ran off ran till it metled the piston and scored the bore enough to loose compression and stop. they said can you hone it out? Heck no this thing is toast! They ask dumb questions sometimes. How is the 6.7 isb holding up? Thinking about getting a new 2010 dodge but no one I know has one to ask
 
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Old May 23, 2010 | 08:44 PM
  #32  
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I havent followed the durdge to much. I was also luck not to have to work on but of few of them too. from what I here they are loaded with the same issues as well.
egr,injectors, etc but also dont like added power to the trans.
 
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Old May 23, 2010 | 08:56 PM
  #33  
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I havent either i like the looks alot and the price which is 13000 less. I know coolers are all bad on all engine so thats a given. I also would only buy a 6 speed manual no autos. My truck now is a auto and wonder why i bought it. I have a weird issue that i just found maybe you have had. The 40amp fuse in the side of the bus keep blowing tarced it to the FVCV circuit with the breakout box.Tore is all done and weird to find the gasket was completely melted an the connector under the pump cover to the pump. Not metled anywhere else. So anyways i changed the pump and gasket. Rechecked and still did it. Tryed test ecm and problem went away. The ecm had an internal short and caused the connector to melt. Odd issue i though
 
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Old May 23, 2010 | 09:00 PM
  #34  
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the vcv short may have fried the pcm. being a fused ckt one would find that hard but impossible. ive done a few for the p0003,p0004 not had a pcm fail in that fasion. I have had a few with dc/dc cocverter issues though.
 
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Old May 23, 2010 | 09:18 PM
  #35  
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Originally Posted by cheezit
My issues with the 6.4 go beyond that though. I have never replaced so many short blocks, replaced so many rods and pistons either.
I will give and say they are a nice looking truck that has lots of power. But they have very costly issues.
Cheezit,

The techs here tell me that they work on more 6.0's than 6.4's. They also say that most of the major engine problems that they've had with the 6.4's was because of high tuning / hot-******* the motor, and lack of proper maintanance. I spoke with a owner of a towing company here that runs about 30 trucks and all of his 6.4's have over 100,000 miles (stock motor) and hasnt had any issues with his at all. His highest mileage 6.4 is approaching 200,000 miles with no issues at all.

Powerstroke8994,

That same tow company owner told me that he was also going with the new dodges b/c they were cheaper, had a good build quality, and likes the 6.7 cummins better than the 6.7 powerstoke. He said the ride quality of the new dodge was better than that of the new Ford in his opinion. I was suprised because he's a Ford man.
 
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Old May 23, 2010 | 09:54 PM
  #36  
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Originally Posted by Front Runner
Cheezit,

The techs here tell me that they work on more 6.0's than 6.4's. They also say that most of the major engine problems that they've had with the 6.4's was because of high tuning / hot-******* the motor, and lack of proper maintanance.

Powerstroke8994,
He said the ride quality of the new dodge was better than that of the new Ford in his opinion. I was suprised because he's a Ford man.
I have heard the same from techs around here on LI. They say they have done a lot more work on the 6.0 than on the 6.4, but I am sure it all varies by the area. I am approaching 30K miles in my first year without a single issue on my 6.4. My 6.0 was already in the shop 3-4 times for a total of a month of repairs.

And as far as the new dodge riding better than the new 6.7 ford... I would be extremely impressed. I am going to have to take a ride in one of them. My friends 2011 6.7 was an awesome improvement from my truck as far as interior, motor/tranny, and the smooth ride. I think the new motor will prove to be a good one! I'm not sold on the exterior of the new trucks, but the interior fit and finish looked great. I think the other two companies are going to need to make some big moves to compete with the new superduty.

I am concerned about the future of our diesels. Although I think they will always be around, I think it will be more and more expensive to purchase and maintain them. These once simple engines are now extremely complicated. They are full of so many technical emissions equipment that I don't believe it will make any sense own one. The days of needing a diesel will be replaced by the days of only wanting one. So I guess I'll just have to keep ponying up the cash because I hope to only run diesel 3/4 ton pick ups!
 
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Old May 23, 2010 | 10:11 PM
  #37  
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Originally Posted by LaxPlaya21
These once simple engines are now extremely complicated. They are full of so many technical emissions equipment that I don't believe it will make any sense own one. The days of needing a diesel will be replaced by the days of only wanting one. So I guess I'll just have to keep ponying up the cash because I hope to only run diesel 3/4 ton pick ups!
I agree with your post, but I have to point out that diesels haven't been simple for a LONG time.

Are you familiar with how a HEUI injection system(7.3L/6.0L PSD) works? It's anything but simple. Add to that turbocharging, electronic controls, and filtration, even the dinosaur-age 7.3L PSD was NOT simple.

Otherwise GREAT POST!
 
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Old May 23, 2010 | 10:15 PM
  #38  
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Originally Posted by Crazy001
I agree with your post, but I have to point out that diesels haven't been simple for a LONG time.

Are you familiar with how a HEUI injection system(7.3L/6.0L PSD) works? It's anything but simple. Add to that turbocharging, electronic controls, and filtration, even the dinosaur-age 7.3L PSD was NOT simple.

Otherwise GREAT POST!
Ya you are definitely right. Def not simple... maybe less complicated overall?
 
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Old May 23, 2010 | 10:28 PM
  #39  
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From: Scenery hill,Pa.
Originally Posted by cheezit
the vcv short may have fried the pcm. being a fused ckt one would find that hard but impossible. ive done a few for the p0003,p0004 not had a pcm fail in that fasion. I have had a few with dc/dc cocverter issues though.
Yeah that was what did it. For fun i took the ecm apart to find a black spot(short) on it. Def the problem but just a starge issue. Im still seeing the bad injector s leaking at the injector solenoid even with the updated ones after the afc
 
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