Frequent question: What should I look for in a used diesel engine?

What should I look for when buying a high mileage diesel?

Considerations for Buying a High Mileage Diesel Truck

  • Check for service documentation to ensure the engine has been well maintained.
  • Perform an engine and transmission service immediately after purchasing.
  • If the engine checks out, inspect the chassis thoroughly.
  • Service the drivetrain.

How many miles is too much for a used diesel truck?

According to Prosource Diesel, anything over 350,000-miles is considered high mileage for a used diesel pickup with a Cummins or Duramax engine under its hood. Anything over 350,000-miles is also regarded as high mileage for a Powerstroke diesel engine.

Is it bad for a diesel engine to idle?

Unnecessary idling wastes fuel, causes air pollution and increases engine wear. An idling diesel engine produces much higher emissions than it would while using the same amount of fuel under load. Extended idling causes a build-up of soot inside the engine and results in a puff of black smoke when the engine revs.

Is it OK to buy a second hand diesel car?

The short answer is yes, for many motorists purchasing a second-hand diesel car is a smart and eco-friendly choice. While diesel engines do harbour a dirty reputation, in reality they’re often cleaner and more affordable than petrol.

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Should you buy a diesel with over 200k miles?

High Mileage

Generally speaking, diesel trucks are sold with higher mileage than the typical used vehicle. It is not uncommon to see a used diesel truck for sale with over 200,000 miles on it. Granted, diesel engines typically have better reliability than a gasoline equivalent, but high mileage remains a concern.

How long should a diesel engine warm up?

Myth: Diesel engines need to warm up at idle for 5 to 10 minutes or more especially on cold days before driving them. Fact: This is one of the most common myths about diesel engines. Most engine manufacturers recommend that newer diesel engines idle for no more than 3 minutes before driving.

What is considered high mileage for a diesel?

Diesel Rule 1: NEVER buy high mileage

To be clear – avoid diesel cars with over 100,000 miles on the clock.

What diesel trucks should I avoid?

The 5 Worst Diesel Trucks To Buy Used

  • Chevy & GMC 6.5L Pickup. The 6.5L Chevy pickup came with a little bit more power than the 6.2L. …
  • Ford Super Duty 6.0L. Ford has also had its share of poorly designed diesel engine trucks. …
  • Ford Super Duty 6.4L. …
  • Chevy & GMC 5.7L Pickup. …

How long do Duramax engines last?

If you want to know how long a Duramax engine will run, you should expect it to last as much as 300,000 miles before needing any major repairs. But, of course, this number can vary depending on how well the engine was maintained and driven throughout its life.

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Which diesel engine has least problems?

The 7.3L Powerstroke is still considered one of the most reliable diesel engines ever made. It also has plenty of power for most applications, with 500 pound-feet of torque and 235 horsepower. It was built for the long haul, too with an air-to-air intercooler, oil-based fueling, and durable internal hard parts.

What is the best used diesel pickup truck to buy?

Best Used Diesel Trucks

  • Nissan Titan XD.
  • GMC Sierra 2500.
  • Chevrolet Silverado 2500.
  • Ram 3500.
  • Ford F-350.
  • Ram 2500.
  • Ram 1500.
  • Ford F-250.