Quick answer
Car Black Smoke from Exhaust: the most common causes are clogged diesel injector spraying too much unburnt fuel, dpf, egr valve stuck open causing incomplete combustion. Metre Per Second (KPHB, Hyderabad) diagnoses the exact fault and repairs it same-day — typical work runs ₹3,000 – ₹15,000, with free pickup and drop across Hyderabad, OEM-grade parts and a 1-year warranty. Call +91 8555824915.
What causes Car Black Smoke from Exhaust?
These are the faults we most often find behind this symptom on cars driven in Hyderabad's heat and stop-go traffic:
- Clogged diesel injector spraying too much unburnt fuel
- DPF (diesel particulate filter) fully saturated and no longer burning soot
- EGR valve stuck open causing incomplete combustion
- Turbo over-boosting due to faulty wastegate
- Faulty fuel pressure regulator causing overly rich mixture
Repairs & indicative pricing (INR)
| Repair | Indicative price |
|---|---|
| Injector cleaning/replacement | ₹3,000 – ₹15,000 |
| DPF cleaning & regeneration | ₹5,000 – ₹15,000 |
| EGR valve service | ₹2,500 – ₹8,000 |
| Turbo wastegate inspection | ₹2,000 – ₹6,000 |
| Fuel system diagnostic | ₹1,000 |
Final price depends on diagnosis. We share a written estimate before any work — no surprises. Free pickup & drop across Hyderabad, OEM-grade parts and a 1-year warranty.
Frequently asked questions
My diesel car blows black smoke on acceleration in Hyderabad — is it serious?
Black smoke on acceleration in a diesel car indicates unburnt fuel — the engine is consuming more diesel than it can combust. Primary causes are dirty or stuck-open fuel injectors, a saturated DPF, or a clogged air filter reducing oxygen for combustion. Left unaddressed, injectors can damage the engine. Metre Per Second diagnoses the exact cause with an OBD scan and smoke opacity test.
Related car problems we fix in Hyderabad
Why Hyderabad drivers choose Metre Per Second
- Factory-grade diagnostics — we read the real fault, not just a generic code.
- Free pickup & drop across all of Hyderabad — KPHB, Kukatpally, Miyapur, Hitech City, Gachibowli, Banjara Hills, Secunderabad and more.
- 1-year unconditional warranty on parts and labour.
- Transparent, written estimates — typically 30–50% below authorised dealers.