Diesel Repair

  • A Brief History of the Diesel Engine

    diesel engine

    At Hoff's Automotive, Inc. in Hackettstown, NJ, we know that diesel engines play a huge role in many of our customers' daily ways of life. If you drive a Duramax, Powerstroke, or Cummins diesel pickup, you obviously appreciate the power of the diesel engine. Diesel engines are prevalent all over the road, but where did it all start, and why are diesel engines most commonly found in trucks today? 

  • AC Diagnostics for Your Vehicle

    air conditioning in a car

    At Hoff's Automotive, Inc. in Hackettstown, we understand how important it is to have ice cold AC in your truck on a long, hot day. Whether you drive a Chevy, Ford, or Dodge diesel pickup, chances are you have a lot of cab to cool down, and a subpar AC just won’t cut it.

  • Benefits of Treating a Fuel System

    man putting gas in a vehicle at the pump

    Like anything else on your vehicle, keeping various systems clean and in good shape is essential to long life and reliability. Your fuel system is especially important - parts are expensive, problems can be difficult to diagnose, and it doesn’t take much contamination to cause a huge issue. It’s much easier to keep your fuel system clean than it is to clean a dirty or problematic system. Performing regular fuel treatment can prove very beneficial to the life of your vehicle.

  • Cleaning Your Fuel System

    pumping fuel into car

    Obviously, your fuel delivery system is an extremely important aspect of the running condition of your truck. At Hoff's Automotive, Inc. in Hackettstown, our expert team of mechanics can treat and clean your fuel delivery system, ensuring you get the most out of your fleet.

  • Coolant Leaks - What to Watch Out For, and How to Find Them

    coolant in vehicle with hood up

    Coolant leaks can be a pain - they’re elusive and have a lot of damage potential. Fortunately, at Hoff's Automotive, Inc. in Hackettstown, NJ, our technicians know exactly how to diagnose and repair a coolant leak, no matter where it is. Knowing more about where these coolant leaks appear and why they're a problem will help you to recognize a problem and get it repaired before it does further damage.

  • Dash Warning Lights to Watch For!

    battery warning light

    It doesn't matter if you are driving a car or truck, jeep or SUV, a diesel 4x4 or a classic when those dash warning lights go off the first thing you do is think "how bad is it?" and "how much will it cost me?" followed quickly by "when was my last service visit?"!!  Driving your vehicle longer safely is all about getting it serviced based on what your vehicle manual recommends and these warning lights are alerting you to a situation that requires your attention. 

    While not all warning lights are a sign that disaster is imminent, no warning indicator light should ever be ignored!

  • Diagnosing a Bad Brake Master Cylinder

    mechanic working on brakes

    Your brake master cylinder is an integral part of your brake system. When one fails, some odd symptoms may arise, and it may be difficult to diagnose. Here’s some information to help you decide if yours has gone bad. At Hoff's Automotive, Inc. in Hackettstown, NJ we want you to know what to look out for so that you can be safely on the road.

  • Diesel - The Ideal Engine for Fleet Vehicles

    fleet of diesel vehicles

    If you own or operate a fleet or commercial truck, you’re probably pretty familiar with diesel vehicles. But why are diesel engines predominantly used in commercial vehicles, and where did they start?

  • Diesel Engines - Power Comes From Their Differences

    diesel maintenance

    On gas engines, the fuel delivery system is pretty simple - an electric pump draws gas from the tank, and pushes it to the injectors. Diesel systems are a little more complex. At Hoff's Automotive, Inc. in Hackettstown, NJ, we like to keep you informed about what’s on your truck, how it works, and how to maintain it, so you stay reliably on the road.

  • Diesel engines: the essentials

    mechanic working on diesel engine

    When you think about diesel engines, you probably think about large trucks and machinery, and maybe a few oddball cars over the years.  But how long has diesel really been around, and why is it used the way it is today? Hoff's Automotive, Inc. in Hackettstown, NJ has the answers you need to become more in-tune with your diesel truck and engine. 

  • Diesel Fuel Systems - How They Work, and How to Maintain Them

    vehicle with smoke coming out the back

    No matter what type of fleet vehicles or commercial trucks you maintain, the fuel system on your diesel is an integral part of keeping you on the road. Gas systems are pretty simple - there’s basically just a pump that pushes gasoline to the injectors. Diesels are a bit more complicated.

  • Diesel Fuel Systems - Parts and Components

    large diesel truck

    Your fuel system is comprised of a variety of parts, each tasked with keeping your engine running strong - Chevy, Ford, and Ram all have small differences, and diesel systems have changed over the years with innovation in the field; however, the fundamentals haven’t changed. At Hoff's Automotive, Inc., our technicians are familiar with the differences between models and generations, but for the intents and purposes here they aren’t necessary to know. Here’s an overview of the major components you’ll find in most diesel fuel systems.

  • Diesel Fuel Systems - What Could go Wrong?

    vehicle with fuel being put in it

    Diesel engines are known for their reliability - that’s probably at least partially why you bought one. However, like all things, diesels and their components wear out eventually. Fortunately, the technicians at Hoff's Automotive, Inc. in Hackettstown, NJ have you covered. Here are some fuel system issues to watch out for.

  • Diesel Isn't Difficult - Know How Your System Works

    Now that you’ve got an idea of the components that make up a diesel system, and what they do, understanding how the system works in a more cohesive way isn’t difficult. At Hoff's Automotive, Inc. in Hackettstown we understand what’s going on in your fuel system while your diesel engine is running.

  • Diesel Tires - Find the Balance

    tire

    When it comes to installing new tires on your Dodge, Chevy, or Ford diesel pickup, you want it done right the first time. Our technicians have the equipment necessary to get you cruising smoothly down the road in no time.

  • Diesel Tires - Which Ones are You Rolling With?

    tires

    There are a wide variety of tires available for your diesel truck, no matter what sort of pickup you drive. The climate, the terrain you drive on, and how you drive will determine which tire is best for you. Here’s a short list of common truck tire types.

  • Differential Repair on Your Truck

    fleet of vehicles

    At Hoff's Automotive, Inc. in Hackettstown, NJ, we understand that no matter how well something is maintained, everything breaks eventually. Fortunately, our team of expert mechanics can repair just about anything, saving your business a lot of money in the process.

  • How Does Your Turbo Work?

    line of diesel trucks

    Your turbocharger will work in essentially the same way, whether you drive a Powerstroke, Cummins, or Duramax diesel pickup. While there are differences in designs and applications, turbos haven’t changed all that much over the past century. Now that you know what one is made of, we’ll look at how it works.

  • How Is Your Battery Life?

    Battery

    At Hoff's Automotive, Inc. in Hackettstown, we understand how vital solid battery power is to a truck driver. A dead or weak battery isn’t a big deal in a passenger vehicle; in a commercial truck, missed deadlines, incomplete jobs, insufficient equipment, and inconvenient situations are all consequences of a less than adequate battery.

  • Is it the Fuel Pump? Determining if Your Pump is Bad, and What to do About it

    car at fuel pump While fuel pump issues are common, they often get misdiagnosed. What is your fuel pump, how do you know if yours is bad, and what should you do about it? At Hoff's Automotive, Inc. in Hackettstown, NJ, we are going to make sure that you are an informed driver so you know what to look for and what you should do about it.
  • Jasper
  • 24-Hour Dropoff
  • Acdelco
  • ASE
  • Ase Master
  • Auto Value
  • BF Goodrich
  • Bosch Automotive
  • Bridgestone Firestone
  • Carfax
  • Cooper Tires
  • Customer Savings
  • Draw-Tite Hitches
  • Dunlop Tires
  • Emmissions Repair Facility
  • Fleet Services
  • Goodyear
  • Handicap Accessible
  • Hankook Tires
  • Hunter
  • Interstate Batteries
  • Kelly Tires
  • Michelin
  • MACS
  • Mastercraft
  • Motorcraft Parts
  • NAPA AutoCare Center
  • NFIB
  • NJ Inspections
  • Pet Friendly
  • Radiator
  • State Inspection
  • Sumitomo Tires
  • Synchrony
  • Tires
  • Toyo
  • Uniroyal
  • 12 Month Warranty
  • WEX Fleet
  • Wifi Available
  • Woman Owned
  • Wright Fleet

Hoff's Automotive, Inc.

700 Grand Ave Suite A
Hackettstown, NJ 07840
Get Directions

location small (908) 852-7272
Email the Shop

SHOP HOURS

Weekdays:   Monday-Friday 8:00 am - 5:30 pm
Weekends: Closed
THE SHOP WILL BE CLOSED JULY 1ST-5TH FOR VACATION

Make An Appointment