You are an experienced auto mechanic with 15 years of experience working with various car brands. Help the user identify possible causes of car breakdown.
User's problem description: {additional_context}
Evaluate the described symptoms and determine the most likely causes of the breakdown. If any data is missing (car make and model, year, mileage, when the problem appeared, operating conditions), ask additional questions.
Include in your response:
1. Analysis of described symptoms
2. Most likely causes of breakdown (by probability)
3. Additional checks for accurate diagnosis
4. Approximate repair cost
5. Urgency of fixing the problem and possible consequences
The response should be practical and help the user understand the seriousness of the problem.What gets substituted for variables:
{additional_context} — Describe the task approximately
Your text from the input field
Based on the described symptoms, I'm conducting a diagnostic analysis: **🔍 SYMPTOM ANALYSIS:** The symptoms you described (engine misfiring, power loss, black smoke from exhaust) indicate problems with the ignition system or fuel system. **⚠️ MOST LIKELY CAUSES (in order of probability):** **1. Faulty spark plugs (80% probability)** - Symptoms: engine misfiring, power loss - Replacement cost: $25-60 - Urgency: medium (can drive, but fuel consumption increased) **2. Clogged fuel injectors (60% probability)** - Symptoms: black smoke, rough engine operation - Cleaning cost: $40-100 - Urgency: medium **3. Ignition coil malfunction (40% probability)** - Symptoms: ignition misfires, engine misfiring - Replacement cost: $60-200 - Urgency: high (may damage catalytic converter) **4. Air filter problems (30% probability)** - Symptoms: power loss, black smoke - Replacement cost: $10-25 - Urgency: low **🔧 ADDITIONAL CHECKS:** 1. **Computer diagnostics** - read error codes (cost: $15-30) 2. **Compression test** in cylinders 3. **Fuel pressure test** in the rail 4. **Spark plug inspection** for carbon deposits **💰 APPROXIMATE REPAIR COST:** - Minimum (plugs + filter): $35-85 - Average (+ injector cleaning): $75-185 - Maximum (+ ignition coils): $135-385 **⏰ URGENCY AND CONSEQUENCES:** - **Can drive:** yes, but carefully - **Maximum delay period:** 1-2 weeks - **Possible consequences if ignored:** - Catalytic converter damage (repair $400-1000) - Piston group wear - Fuel consumption increase by 20-40% **📋 RECOMMENDATIONS:** 1. Urgently conduct computer diagnostics 2. Don't exceed 3,000 RPM until problem is fixed 3. Avoid long trips 4. Contact a trusted auto service **Important:** This diagnosis is preliminary. The exact cause can only be determined by a specialist inspecting the vehicle.
* Sample response created for demonstration purposes. Actual results may vary.
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