Utah Truck & Diesel Repair

A Diesel Shop, Not a Gas Shop That Also Does Diesels

DEF warnings, brakes that feel wrong under a loaded trailer, a diesel that loses power on a grade. Matched with an independent shop that actually specializes in diesel and towing setup — and keeps emissions equipment where it belongs. Serving the Wasatch Front from Ogden to Provo.

  • Diesel engine, fuel system and emissions and DEF diagnosis
  • Heavy-duty brakes and suspension sized for towing and load
  • Towing setup, brake controllers and small fleet maintenance

Tell Us What the Truck Is Doing

A warning light, a change under load, a towing setup question. Describe it as best you can — we will match you with a shop and tell you what to expect.

We will call you back at the number you give us. Your details go to us and to the provider we match you with, and nowhere else.

No fee
to be matched with a shop
Diesel specialists
not a gas shop that also does diesel
Wasatch Front
Ogden to Provo
What We Do

What Actually Keeps a Work Truck Running

Five areas that cover most of what sends a Wasatch Front truck owner looking for a shop — and what a straight diesel shop does differently.

Diesel Engine Service

Diesel fuel systems run at pressures and tolerances a gasoline shop is not built around, and a cheap fuel filter is a false economy on a system this sensitive to contamination.

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Emissions & DEF Systems

Emissions and DEF systems are where most expensive modern diesel faults show up, and the correct answer is diagnosis and repair, not removal. Emissions equipment stays in place.

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Heavy-Duty Brakes

A truck used to tow wears brakes on a different schedule than the same truck driven empty, and canyon grades accelerate that further. Judging service intervals by mileage alone misses both.

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Suspension & Steering

Components sized for occasional load wear faster under regular towing, and the failure shows up as a feeling behind the wheel before it shows up as a warning light.

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Towing Setup & Fleet Maintenance

A brake controller mismatched to the trailer being towed either underbrakes the trailer or overworks the truck's own brakes — getting the match right matters more than most first-time towers expect.

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How It Works

How it works

Three steps, and the first one is just describing what the truck is doing.

Tell us what's happening

The warning light, the noise, the change under load — and whether it happens towing, empty, or both.

We match you with a shop

A shop that actually specializes in diesel and towing setup, not a general shop that treats a diesel as a side business.

You get a diagnosis, then a decision

The shop shows you what it found and what it costs to fix. Emissions equipment stays in place — that is the one thing that is never on the table.

Driving in Utah

Canyon Grades and Altitude Change What a Diesel Needs

A long canyon descent asks a truck's brakes and transmission to do more work than the same distance of flat highway ever would, especially with a trailer behind it. Riding the brakes down a grade instead of using a lower gear and engine braking is the single biggest reason brakes and transmission fluid wear out ahead of schedule on trucks that regularly run Utah's canyons — and it happens gradually enough that most owners do not connect the wear to the driving pattern.

Altitude has its own effect on a turbo diesel, since thinner air changes how the turbo and the engine's air-fuel management behave compared to sea level. A truck that runs fine in Ogden can behave differently climbing toward a higher pass, and that difference is normal within limits — but a truck that struggles more than it should at altitude is worth having looked at rather than written off as 'just the mountains.'

How This Trade Actually Works

Emissions Equipment Stays — And Towing Wears a Truck on Its Own Schedule

Modern diesel emissions and DEF systems are the single most common source of expensive faults on a diesel built in the last couple of decades, and that reputation has produced a market for shops willing to 'delete' the system instead of fixing it. Removing or tuning around emissions equipment is illegal, and a shop offering it is telling you something about how it operates. The straight answer is that the equipment stays, and the actual fault underneath it gets diagnosed and fixed.

Separately, a truck that tows regularly wears brakes, transmission fluid and suspension components on a different timeline than the same truck driven empty — mileage alone is the wrong way to judge when service is due. A brake controller matched correctly to the trailer being pulled matters more than most people setting up to tow the first time realize, since a mismatched controller means either underbraking the trailer or overloading the truck's brakes to compensate.

Service Areas

Where we work

Salt Lake, Utah, Davis and Weber counties.

See the full coverage area

Questions

Common questions

Will you delete or tune around my emissions or DEF system?

No. Removing, disabling or tuning around emissions and DEF equipment is illegal, and Truck 801 will not describe how to do it or match you with a shop that offers it. If a warning light is coming from that system, the right answer is diagnosing and repairing the actual failure, not removing the equipment reporting it.

Do you work on passenger cars or SUVs?

No. Truck 801 matches owners of light and medium duty trucks with shops that specialize in diesel and towing setup. Passenger cars and SUVs are handled by our sister site, and we can point you there if that is what you actually need.

My truck runs fine around town but loses power on a grade or at altitude. Is that normal?

Some reduction in a turbo diesel's performance at altitude is normal, since thinner air changes how the turbo and engine management behave. A truck that loses noticeably more power than it used to, or struggles well beyond what altitude alone would explain, is worth having diagnosed rather than assumed to be normal mountain behavior.

How often should I service brakes and transmission fluid if I tow regularly?

More often than a generic mileage interval suggests, and the right frequency depends on how often you tow and roughly what weight. Towing puts more load-related wear on brakes and more heat into transmission fluid than the same truck driven empty, which is why we ask how the truck is actually used before matching you with a shop.

Do you provide towing as a service, like a tow truck?

No. Truck 801 covers towing equipment setup — brake controllers, hitches and towing packages — for trucks that pull trailers. We do not dispatch tow trucks or provide roadside towing and recovery service.

Get a Diagnosis From a Shop That Knows Diesel

Tell us what the truck is doing and we will match you with a shop that specializes in diesel and towing, not a general shop doing diesel on the side.

Get Matched With a Shop