Hoping to solicit some of the collective advice from the gurus on the forum about a new truck purchase. I've been lucky to own a few great trucks: 2001 7.3 powerstroke, a 2007 LBZ duramax, and just sold a 2003 cummins 5.9. All were great vehicles and I've been looking for similar replacements with lower miles. However, the only similar model trucks in my area with low miles are priced the same as the new vehicles and come without many of the amenities. Supply and demand I suppose.In any case, I figure for similar pricing I should look at the Dodge 6.7 and Ford 6.7. I'm wondering if either have an achilles heel that should be watched for or checked out prior to purchase?Thanks for any guidance you can give.I'd appreciate everyone keeping this civil. This ISN'T a what truck is best kind of post. I'd simply like to know about the common issues to each model and what to watch for.

You are going to get comments about the CP4 fuel pump failures on the Ford. But best I can tell from reading various diesel forums is that has been a problem on the first year of two of the 6.7 and not the later years. And not a lot of them at that.

6.7 has been problem free for us on our 2012 Ford. A couple of minor problems that were easily fixed is all.

You've asked an honest question yet this thread will probably get ugly. There's even a good chance it will get locked.I've had Fords all my life: 7.3, 6.0, 6.4, and two 6.7s. That being said, get the truck you like between the Ram and Ford. Both are great trucks and will pull a tree stump out of the ground.

Dang, I hope it doesn't get locked and I'm sure not trying to start any arguments. I've owned all of the big 3's trucks, and all had their strengths and weaknesses. And all of them make a great truck.

Looks like the fuel pump issue is already covered LOL. Towing wise, the Ford gets a very much improved exhaust brake with the 2015 refresh. The brake brings its performance for slowing down up there with RAM (or just a little beyond). Ford had a valve issue for the 2011 and part of the 2012 production run. Basically the valve may drop into the engine.RAM had a major frame update for 3500's in 2013 and afterwards. 2500's followed in 2014. In 2013, RAMs also went to a newer DEF emissions system which is better than the 2007 to 2012 non-DEF system they used. If you prefer the Ford, I'd go for a 2015 or later model year. RAM, make sure you get one with the updated Frame. And if you need PTO, make sure it has the Aisin transmission.

Common issues with Dodge 6.7L or Ford 6.7 | Good Sam Community

87 Replies

Cummins12V98
Explorer III
Jun 29, 2016
Open the hood, that should give you reason to consider ease of working on it if keeping past the factory warranty.
Me_Again
Explorer III
Jun 29, 2016
kincade wrote:
Hoping to solicit some of the collective advice from the gurus on the forum about a new truck purchase. I've been lucky to own a few great trucks: 2001 7.3 powerstroke, a 2007 LBZ duramax, and just sold a 2003 cummins 5.9. All were great vehicles and I've been looking for similar replacements with lower miles. However, the only similar model trucks in my area with low miles are priced the same as the new vehicles and come without many of the amenities. Supply and demand I suppose.

In any case, I figure for similar pricing I should look at the Dodge 6.7 and Ford 6.7. I'm wondering if either have an achilles heel that should be watched for or checked out prior to purchase?

Thanks for any guidance you can give.

Go drive all three and buy the one YOU like the best, because I like RAM and have had three, does not mean you would. It is your money and your truck. Financing on a new truck is cheaper and easier to obtain, if you are doing that.
jus2shy
Explorer
Jun 29, 2016
Looks like the fuel pump issue is already covered LOL.

Towing wise, the Ford gets a very much improved exhaust brake with the 2015 refresh. The brake brings its performance for slowing down up there with RAM (or just a little beyond). Ford had a valve issue for the 2011 and part of the 2012 production run. Basically the valve may drop into the engine.

RAM had a major frame update for 3500's in 2013 and afterwards. 2500's followed in 2014. In 2013, RAMs also went to a newer DEF emissions system which is better than the 2007 to 2012 non-DEF system they used.

If you prefer the Ford, I'd go for a 2015 or later model year. RAM, make sure you get one with the updated Frame. And if you need PTO, make sure it has the Aisin transmission.
kincade
Explorer
Jun 29, 2016
Dang, I hope it doesn't get locked and I'm sure not trying to start any arguments. I've owned all of the big 3's trucks, and all had their strengths and weaknesses. And all of them make a great truck.
lawnspecialties
Explorer
Jun 29, 2016
You've asked an honest question yet this thread will probably get ugly. There's even a good chance it will get locked.

I've had Fords all my life: 7.3, 6.0, 6.4, and two 6.7s. That being said, get the truck you like between the Ram and Ford. Both are great trucks and will pull a tree stump out of the ground.
agesilaus
Explorer III
Jun 29, 2016
6.7 has been problem free for us on our 2012 Ford. A couple of minor problems that were easily fixed is all.
BB_TX
Nomad
Jun 28, 2016
You are going to get comments about the CP4 fuel pump failures on the Ford. But best I can tell from reading various diesel forums is that has been a problem on the first year of two of the 6.7 and not the later years. And not a lot of them at that.

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Common issues with Dodge 6.7L or Ford 6.7

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