The potential causes for a Check engine light can range from something very minor to something that can lead to serious issues, such as engine damage or other component failure.

In some instances, this can be a safety hazard. For this reason, we recommend having your Check Engine Light diagnosed as soon as possible, even if the truck still appears to be driving “fine”

At Supertech, we pride ourselves with always being up-to-date with leading edge technology and training. We only use the finest in diagnostic equipment and technology, which in the hands of our experienced technicians, allows us to get it right the first time which saves you time and money.

After we’ve determined what is ailing your vehicle, our technicians and service advisors will work together to ensure you are informed of every issue, upfront. Before completing any repairs, we will provide you with a cost estimate so that you may make the ultimate, informed decision.

From your Fuel tank all the way to your Injectors,  your truck’s fuel system needs routine maintenance for optimum performance and longevity.

Diesel Fuel System Components and Services:

  1. Common Rail Injectors
  2. HEUI & EUI Injectors
  3. Piezo Injectors
  4. Mechanical Injectors
  5. High Pressure Fuel Pumps (HPFP)
  6. High Pressure Oil Pumps (HPOP)
  7. Injection Pumps
  8. FASS Lift Pumps & Sump Kits
  9. Pump Mounted Drivers (PMD) & Relocations
  10. Racor Fuel Filters
  11. Fuel Rails
  12. Fuel Pressure Regulators
  13. Extended Range Fuel Tanks

If you have noticed a problem with the performance of your truck or an issue with the fuel system, bring your truck into Supertech in Nanaimo. Our technicians will diagnose and repair the issue right the first time.

The Hardest Working Gasket in your Diesel Engine

A head gasket, as the name implies, is the seal between the cylinder head and the engine block itself.  Your head gasket is exposed to extreme combustion temperatures and cylinder pressures, making it a common failure we see daily at our shop.   

Not a comprehensive list, but some of the steps that we take to make sure you never have a Head Gasket failure again:


  1. ARP Head Studs
  2. OEM Quality Gaskets
  3. Re-surfaced head to correct Ra (Roughness Average), Magna Flux and Pressure Check
  4. Proper Deck Preperation
  5. Resurface Exhaust Manifold
  6. Ensure proper Engine Tuning
  7. Hot Re-torque (Depending on model*)

Most of the time:

  1. O-ringing Cylinder Head(s)
  2. Coolant Filter

If you are concerned at all about your head gaskets, bring your truck into Supertech in Nanaimo. our expert diesel technicians can accurately test your head gaskets and get you back on the road with peace of mind.

Vancouver Islands Authorized Distributor of DFC Diesel Engines

“Remanufacturing CumminsPowerstroke and Duramax diesel engines we back our craftsmanship with a 5 year 160,000 km warranty that we stand behind. Our process is geared towards supplying our customers with an engine that will outlast your truck, not just the warranty. Our engines have been remanufactured to more accurate tolerances than OEM specifications and assembled with industry recognized name brand parts that meet or exceed OEM standards.”

Greatly Improve Your Diesel’s Performance, Efficiency & Reliability with DPF, DEF, or EGR Services

Your trucks after-treatment systems can seriously reduce engine reliability and increase overall operating costs.

Some of the common complaints we hear about DPF / DEF / EGR systems:

  1. Poor Fuel Economy
  2. Plugged Filters / Engine Regeneration does not occur during normal use
  3. Having to add Def fluid / Faulty DEF heaters
  4. Repeat Faulty sensors
  5. Fuel diluting the oil and cylinder washing
  6. Cracked EGR Coolers
  7. Limp mode while unsafe distance from assistance
  8. Risk of fire when near tall grass

Supertech Diesel Truck Specialists has a variety of solutions for these issues.  If you are having any concerns with your trucks emissions systems, give us a call and our expert technicians can provide a solution that best fits your situation.

Safely improve power and torque

Performance tuning can optimize engine performance on your diesel truck, unlocking significant performance improvements while increasing fuel economy.

  1. Tow Tuning
  2. Street Tuning
  3. Off Road / Race Tuning
  4. Economy Tuning
  5. Transmission Tuning

Supertech Diesel Truck Specialists has a variety of options depending on your needs.  If you are interested in improving your trucks tuning, give us a call and our expert technicians can provide a solution that best fits your situation.

When it comes to diagnostics on your Diesel, no shop on Vancouver Island can match the capabilities of Supertech Diesel Truck Specialists

No matter what symptoms your truck has, our expert technicians will find the right solution

Some of the common concerns we diagnose on a daily basis:

  1. No Start, Or No Start when hot
  2. Extended cranking
  3. Lack of Power
  4. Misfire or Shaking under load
  5. White smoke at start-up or idle
  6. Loss of coolant
  7. Overheating
  8. EGR delete
  9. Oil or diesel in coolant
  10. Water in oil
  11. Blown head gaskets
  12. Poping noise from intake

If you are having any concerns with your truck, give us a call and our expert technicians can provide a solution that best fits your situation.  All of our repairs are backed by our 2 year / 40,000 km warranty.

Squealing, grinding, vibration or loss of pressure in the brake pedal can indicate serious safety concerns in your vehicles braking system

Continuing to drive with these symptoms may put your family at risk or cause further damage to your vehicle. Trust our experienced technicians for a thorough brake inspection and honest advice on repairs that will get you back on the road safely.
Brake System Components and Services:

  1. Pads
  2. Rotors
  3. Calipers
  4. Lines & hoses
  5. ABS sensors and controllers
  6. Master Cylinders
  7. Brake fluid exchange

If you are having any concerns with your trucks braking system, give us a call and our expert technicians can provide a solution that best fits your situation.  All of our brake repairs carry a minimum of our 2 year / 40,000km warranty.

The experienced technicians at Supertech Diesel Truck Specialists offers complete differential diagnostics and repairs for your truck.

If you’ve been experiencing any problems with your vehicle’s differential, bring it into our shop in Nanaimo for quality and reliable repairs.

Differential Components and Services:

  1. Complete Differential Replacement
  2. Differential Rebuilds / Overhauls
  3. Ring and Pinions
  4. Bearing Kits
  5. Axle Bearings
  6. Limited Slip
  7. Seals
  8. Fluid Flushes

Every repair and service we perform, including differential service and repair, is backed by our 2 year / 40,000 km warranty across North America. If you have questions or concerns about your car or truck differential, call our experts at 250-585-4030.