### P0420 Catalytic Converter Issue
– Frequent Reasons:
Exhaust leaks [1]
– Suggested Repairs:
Repair exhaust system https://carautorepair.site/
### P0171 System Too Lean
– Likely Problems:
Fuel delivery problems
– Testing Procedure:
Inspect injectors [1][7]
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## Auto Repair Terminology
### Skid Prevention Technology
– Purpose: Enables safe braking [7]
### Engine Management Unit
– Role: Controls ignition timing [7]
### Drivetrain Components
– Includes: Drive axles [7]
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## Repair Process Steps
1. **Initial Diagnosis**:
Conduct road test
2. **System Verification**:
Measure resistance
3. **Parts Replacement**:
Follow torque specs
4. **System Validation**:
Confirm warning light reset
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## Essential Tools
| **Tool Type** | **Examples** | **Purpose** |
|—|—|—|
| Code Reader | Innova | Retrieve DTCs |
| Mechanical Tools | Multimeter | Component repair |
—
## Technical Data Resources
### Auto Repair Source
– Features:
Component locations [8]
Technical illustrations
### Mobile Applications
– Auto Repair Documents:
Electrical diagrams [5]
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## Affordable Maintenance Advice
– Routine checkups avoids costly repairs
– Understand DTC meanings to prevent mechanic overselling
– Install quality alternatives when OEM prices prohibitive [7]
