Loading...### P0420 Catalyst System Efficiency Below Threshold
– Frequent Reasons:
Exhaust leaks [1]
– Suggested Repairs:
Diagnose fuel trim https://carautorepair.site/
### P0171 System Too Lean
– Possible Defects:
Faulty MAF sensor
– Troubleshooting Process:
Smoke test intake [1][7]
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## Vehicle Service Vocabulary
### Skid Prevention Technology
– Purpose: Maintains steering control [7]
### Vehicle Computer System
– Responsibility: Manages fuel injection [7]
### Powertrain Elements
– Includes: Transmission [7]
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## Service Procedure Stages
1. **Initial Diagnosis**:
Scan DTCs
2. **Part Evaluation**:
Measure resistance
3. **Parts Replacement**:
Clear error codes
4. **System Validation**:
Confirm warning light reset
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## Essential Tools
| **Tool Type** | **Examples** | **Purpose** |
|—|—|—|
| OBD-II Tool | BlueDriver | Live data streaming |
| Mechanical Tools | Smoke machine | Component repair |
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## Repair Documentation Sources
### Mechanical Information System
– Features:
Component locations [8]
Factory repair procedures
### Digital Assistants
– Vehicle Service App:
Electrical diagrams [5]
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## Affordable Maintenance Advice
– Routine checkups prevents major failures
– Master code scanning to prevent mechanic overselling
– Install quality alternatives when budget constrained [7]
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- Liên hệ: Lê Văn Thiện
- Phone: 0972939830
- Email: [email protected]
- Website: www.giuseart.com