Luai’s Automotive handles diesel repair Commerce Township, MI vehicle and truck owners trust to resolve starting, fuel system, warning light, smoke, and power loss concerns. This page covers diesel diagnostics, specific repairs, general maintenance, signs to watch for, and how to schedule service.
Hard starts, black smoke, a rough idle, or a check engine light that won’t shut off can all point to trouble building up in a diesel engine. Luai’s Automotive provides diesel repair in Commerce Township, MI for diesel trucks and diesel vehicles dealing with fuel system issues, warning lights, power loss, and routine maintenance needs. We work on all makes and models, offer free estimates, and serve drivers and customers throughout Commerce Township and nearby Michigan communities.
Diesel engine repair services for trucks and vehicles
Diesel engine symptoms don’t always point to where you’d expect, and diesel truck repair can involve more than the engine alone. A rough idle could trace back to the fuel system, the air intake, the turbocharger, the glow plug, or simple engine wear. Our technicians use diagnostic equipment to find the cause quickly, before recommending repair work, so you’re not paying to replace parts that were never the problem.
Diesel engine diagnostics and warning lights
When a check engine light or other dashboard warning comes on, we read the trouble codes and check related systems before suggesting repairs. This step cuts out guesswork and helps avoid replacing parts that aren’t causing the issue.
Fuel system, injectors, and pumps
A diesel engine depends on precise fuel delivery. Clogged fuel filters, failing fuel injectors, or a weak fuel pump can cause hesitation, rough running, or a noticeable drop in power. We check fuel delivery from the tank to the engine to find where flow is restricted.
Glow plugs and hard-start concerns
Extended cranking or a rough cold diesel engine start often traces back to a worn glow plug, and Michigan winters can make that worse no matter how well the engine has been running otherwise. We also check the battery and charging system, since cold weather puts extra strain on both, and we test each part separately so the fix matches the actual cause.
Turbocharger and power loss problems
Lag on acceleration, a whining noise, or excessive smoke under load can point to turbocharger issues. We check boost pressure and related components to confirm what’s behind the power loss.
Cooling system, leaks, and diesel engine gasket issues
Coolant loss, oil leaks, or a gasket starting to fail can lead to overheating and bigger repair bills down the road. Our team checks hoses, seals, and gaskets early to ensure a small leak doesn’t turn into a major repair.
Diesel maintenance services for Commerce Township, MI drivers
Diesel engines hold up well when they get the right maintenance on schedule. Staying ahead of oil changes and filter changes helps prevent the hard starts and fuel system problems that send drivers in for repair work.
We offer a full range of diesel maintenance services including:
- Oil changes and filter replacements
- Fuel filter replacement
- Air filter replacement
- Fluid checks
- Cooling system service
- Battery and starting system checks
- Belt and hose inspections
- General diesel inspections
Signs your diesel vehicle needs service
If a symptom is new, getting worse, or changing how your truck starts, idles, or pulls, it’s worth having it looked at. You may notice the following:
- Hard starts or extended cranking
- Rough idle or noticeable vibration
- Black smoke, white smoke, or excessive smoke
- Loss of power or turbo lag
- Fuel smell or visible leaks
- A drop in fuel economy
- Check engine light or diesel warning light
- Overheating or coolant loss
- Unusual knocking, ticking, or whining sounds
Local diesel auto repair from a family owned shop
Diesel repair works best with a team who specializes in servicing this type of car and truck regularly, and who takes the time to explain what they find. Here’s a few reasons why our business is a top choice in the Commerce Township, MI area:
- Family owned and operated, with locations in Waterford Township, Commerce Township, and Livonia
- ASE-certified technicians with 25+ years of combined experience
- Free estimates before repair work begins
- Fair, transparent pricing and a 12-Months/12k-Miles Parts and Labor warranty
- Service for all makes and models, imports and domestics
- Open Monday through Friday, 8 AM to 6 PM, and Saturday 8 AM to 3 PM
Schedule diesel repair in Commerce Township, MI today
If your diesel truck is hard to start, smoking, losing power, or leaking fluid, don’t wait for it to get worse. Contact Luai’s Automotive in Commerce Township, MI by calling (248) 896-2243 to schedule a diagnostic or maintenance visit, or reach out through our website form with any questions.
Diesel repair FAQs
What types of diesel engines do you work on? Our technicians work on the diesel engines most common in trucks and vehicles, including Power Stroke, Duramax, and Cummins, along with other diesel makes and models. We diagnose the issue first so repairs target the actual problem.
Why is my diesel truck hard to start? Hard starting is often tied to a worn glow plug, a weak battery, or fuel delivery issues like a clogged fuel filter or failing injector. Cold weather can make these problems more noticeable, so it’s worth having the system checked before it leaves you stranded.
What does black smoke from a diesel engine mean? Black smoke usually points to the engine burning more fuel than it should, which can come from airflow problems, injector issues, a struggling turbocharger, or a dirty filter. An inspection can narrow down which one is causing it.
Do diesel vehicles need different maintenance than gas vehicles? Yes, diesel engines have different oil, fuel filtration, and starting system needs than gas engines. Staying on top of oil changes, fuel filter replacements, air filters, and cooling system checks helps prevent bigger issues later.
Do you also handle truck and vehicle suspension repair? Yes. Since we’re a general auto repair shop in addition to diesel work, our technicians can check suspension and steering issues too, including ball joints, tie rod ends, steering linkage, drive axles, CV boots, and bushings. If a truck or vehicle has a vibration problem, a pulling issue, or other concerns like brakes or AC alongside a diesel repair, we can take care of both during the same visit.