A 6.6L Duramax is not one engine — it is eight generations with eight different personalities. The mechanic you want is the one who asks which one you have before he opens the hood.
Answering calls day & night across Miami-Dade and Broward. Se habla español.
An LB7 with a miss is a very different conversation from an LML with the same miss. The early LB7 is known for injectors failing under the valve covers; the LLY years are remembered for running hot while towing; the LMM brought the DPF and everything that comes with it; the LML has a well-documented high-pressure fuel pump story that can take the whole fuel system with it. A mechanic who does not know which year is in front of him will test the same three things on all of them. We start from the generation, then test.
LB7, LLY, LBZ, LMM, LML or L5P — the generation narrows the fault list before a single tool comes out.
Duramax work at your home, yard or wherever the truck stopped, across Miami-Dade and Broward.
If it is the pump, we tell you what that really means for the injectors and lines instead of quoting half a job.
Pickups, chassis cabs and the Duramax-powered work trucks running South Florida.
For the repair service itself see Duramax diesel repair in Miami. If you came here about the truck rather than the engine, see the best Chevrolet diesel mechanic in Miami.
Typical on-site arrival is 45–90 minutes across Miami-Dade and 60–120 minutes into Broward. Most Duramax calls are at homes, driveways and small yards, so we work around your schedule rather than a shop's opening hours.
Tell us the year and the symptom — that usually narrows it before we arrive.
Power Diesel works all six Duramax generations and diagnoses by generation rather than by guesswork, at your location across Miami-Dade and Broward, 24/7. Call (786) 395-7263.
Rough idle, a miss under load, hard starting, excessive white smoke and fuel in the oil are the usual signs. We read injector balance rates and run a return flow test rather than replacing a full set on suspicion.
When that pump fails it can send metal through the fuel system, which is why the repair often involves more than the pump alone. We test and inspect before quoting so you know up front whether you are looking at a pump or a full fuel system.
Yes. We diagnose Allison shift complaints, limp mode and pressure faults alongside the engine, since the two often get blamed for each other.
Yes. Most of our Duramax work is done in driveways, home garages and small yards around Miami-Dade and Broward.