Your question: What years did Ford have problems with diesel engine?

What years are Ford diesel engines to avoid?

What Years Are Ford Diesel Engines To Avoid? This Ford Super Duty six came out between 2003 and 2007. As far as diesel trucks go, 0L can be said to be the most horrendous.

What is the most unreliable Ford diesel engine?

The Ford Super Duty 6. With a starting price of $0 L during 2002 and 2007, the Ford 6 was introduced in 2003. One of the worst engines of modern diesel trucks is the 0 L turbo. A legal battle ensued between Navistar (Powerstroke’s parent company) and Ford regarding it.

What year did Ford make the best diesel engine?

1987 ushered in what’s considered to be the best Ford diesel engine ever — the 7.3L. When building the new engine, Ford kept the same stroke as the 6.9L but increased the bore. Ford also strengthened the engine block and completely redesigned the cylinder heads.

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What year did Ford 6.0 diesel have problems?

2003-2007 Ford SuperDuty Diesel Truck Problems & How to Fix Them. If you’re a diesel nut like me, you probably know that most people will steer clear of buying a 2003 to 2007 model year Ford Superduty Diesel truck. The 6.0L Powerstroke is known for having major problems.

Is Ford 6.7 diesel a good engine?

Currently the 6.7L diesel is on its 3rd generation and offers best in class power and torque. It’s an excellent engine with its 475 horsepower and 1050 torque. However, all engines are prone to problems, and the Ford 6.7 PowerStroke is no exception.

Is the 6.7 Power Stroke a good engine?

The “six-seven” has proven itself to be a good engine in the near-decade it has been around. There are three generations of the powerplant: 2011-2014 (First), 2015-2019 (Second), and the Third-gen torque monster (1,050 lb-ft) found in 2020-2021 F-Series trucks.

Which Ford diesel engine is best?

With estimating a fuel economy of 7.8 liter, the 3″ Powerstroke is the most reliable engine. This one comes in just three liters, so it is the most reliable. In some countries, such as Hungary, diesel engines are used without a license, which is why they are produced in production.

Is a Cummins or Duramax better?

More horsepower means faster acceleration whether you’re towing or not. The current Duramax 6.6L L5P diesel wins this category with 445 horsepower. The current 6.7L 24V Ram Cummins diesel engines produce 400 horsepower. Historically, horsepower has swayed slightly in favor of the Duramax versus the Cummins line.

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Why is 7.3 Powerstroke so good?

According to, the 7.3 liter Powerstroke is reliable because its design is simple and only uses 6 bolts per cylinder. Another reason trucks with these engines are durable is that they feature a fixed geometry turbo and an oil cooler that is located externally.

What Power Stroke to avoid?

The 2003-2007 Ford Super Duty 6.0L may be the worst diesel truck of all time. The 6.0L Powerstroke is infamous. The engine is so bad that Ford and Powerstroke parent company Navistar were engaged in a serious legal battle.

What years did Ford offer the 7.3 diesel?

7.3L Powerstroke Specifications

Years It Was Used: 1994.5-2003
Transmissions: 1994-1998 E40D 4-Speed Auto transmission ZF S5-47 5-Speed Manual Transmission 1999-2003 4R110 4-Speed Auto Transmission ZF S6-650 6-Speed Manual Transmission
Displacement: 7.3 Liters or 444 cubic inches
Engine Weight: 920 lbs

Are Ford diesels reliable?

Ford’s 6.7L Power Stroke diesels are solid engines, extremely durable, and reliable, with only a few problems/issues. One of the big improvements in term of reliability is that the 6.7L Power stroke no longer would rely on four bolts per cylinder holding down the cylinder heads.

What is the life expectancy of a Ford 6.0 diesel engine?

The bottom end should go 500k to a million miles, and given how long they last, used ones are kind of cheap if you need one. I’ve read about high mileage 6.0s that still have nice cylinder bores.

What diesel did Ford use in 2004?

In order to meet lower NOx emissions standards that were set to go into effect in 2004, Ford decided the 6.0L engine would be the best way to meet the new rules. The 365-cubic-inch V8 would feature EGR, a more efficient fuel injection system, and a variable geometry turbocharger.

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Is 6.0 or 6.4 Power Stroke better?

This time, the world’s most-hated diesel is up against the 6.4L—an engine that hasn’t exactly been known for being bulletproof in recent years.


Cons Pros
Turbos stick Arguably less expensive to repair than a 6.4L
Injectors are plagued by stiction
High-Pressure Oil Pumps (HPOP) fail
High-pressure oil leaks are common