Ford 6.7 Diesel Problems (7 Common Issue)

Hey there, truck enthusiast! If you've ever owned or considered owning a Ford F-350 Super Duty, especially one with a diesel engine, you might wonder about some of the common issues these beasts face. It's essential to note that while these trucks are robust and reliable, like all vehicles, they have their quirks. Let's dive deep into some of the most reported Ford 6.7 Diesel problems.

7 Common Ford 6.7 Diesel Problems

1- Delamination of Diesel Fuel Tank The Gist

• Delamination can lead to debris clogging the fuel filters, causing a loss of power. In some unlucky instances, the fuel injection pump and fuel injectors can also get damaged.
• Details: Ford has been proactive about this, issuing a service bulletin (#19728). This problem is wider than the F-350 but also affects the F-450, F-550, F-650, and F-750 Super Duty models.
• Stats: 184 folks have reported this, with the average mileage at the time of the problem being 126,136. The years most affected? 1999 to 2002, among others.
• Cost Implications: Replacing the fuel filter will save you between $143 and $170. If you're unlucky and need a fuel injector replacement, expect to shell out between $1,062 and $1,286. The diesel injection pump replacement? That's a heftier $1,645 to $1,781.

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2- Diesel Particulate Filter (DPF) Cleaning Cycle Issues

• The Gist: There's been some inconsistency and confusion about the DPF cleaning cycle, also known as the "Regeneration" mode.
• Details: The solution lies in software enhancements. The Powertrain Control Module (PCM) needs reprogramming to offer a smoother driving experience during the cleaning cycle and clearer instrument cluster notifications.
• Stats: 151 owners have reported this issue, with the average mileage clocking in at 93,867. The model years 1999, 2008, 2009, and 2010 are the primary culprits.
• Cost Implications: A general diagnosis for this problem typically costs between $88 and $111.

3- White Smoke From Tail Pipe

• The Gist: The EGR valve cooler can sometimes leak coolant internally. When this happens, you'll notice white smoke puffing out of the tailpipe.
• Details: The hot exhaust gases, which the EGR cooler should cool, get circulated back into the engine.
• Stats: This problem has been reported by 114 people, with the average mileage at 126,255. The years 2001 to 2004 are particularly affected.
• Cost Implications: If you need an EGR valve replacement, it'll cost you between $886 and $1,113.

4- Loss of Turbocharger Boost

• The Gist: A severe lack of power can develop if the hose from the turbocharger to the intake manifold becomes loose. This results in a loss of boost pressure to the engine.
• Stats: 100 owners have faced this issue, with an average mileage of 94,315. The model years 1999, 2000, 2002, and 2003 are the main offenders.
• Cost Implications: A general diagnosis for this problem is priced between $88 and $111.

5- Coolant Leak from Radiator

• The Gist: A defective thermostat bypass can cause a coolant leak from the radiator. This defect can lead to pressure spikes in the cooling system, resulting in radiator failure.
• Stats: 77 people reported this, with an average mileage of 72,551. 1999, 2004, 2008, and 2009 are the most affected.
• Cost Implications: Radiator replacement costs range from $1,641 to $1,791, while a thermostat replacement will cost between $938 and $972.

6- Rear Sliding Glass Window Malfunction

• The Gist: The rear sliding glass window can either stop working or bind in motion. The culprit? The power slider cable that secures causes slow or no operation.
• Stats: 63 owners have faced this, with an average mileage of 87,100. The model years 2004 to 2007 are the primary culprits.
• Cost Implications: A window regulator replacement will set you back between $249 and $418.

7- Engine Cranks but Doesn't Start

• The Gist: If the engine cranks but won't start, damaged wiring to the high-pressure fuel pump might be the cause. Chafed wires can halt the pump's operation.
• Stats: 39 people have reported this issue, with an average mileage of 142,987. The years 1999 to 2002 are particularly affected.
• Cost Implications: A no-start diagnosis typically costs between $88 and $111.

In conclusion, while the Ford 6.7 Diesel Super Duty trucks are a force to be reckoned with on the road, it's essential to be aware of these common problems. Being informed can save you time, money, and a lot of headaches down the road. Safe driving!

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