### P0420 Catalytic Converter Issue
– Common Causes:
Worn catalytic converter [1]
– Common Solutions:
Replace catalytic converter https://carautorepair.site/
### P0171 Fuel Mixture Imbalance
– Likely Problems:
Fuel delivery problems
– Testing Procedure:
Check fuel pressure [1][7]
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## Auto Repair Terminology
### Electronic Braking System
– Function: Enables safe braking [7]
### Engine Management Unit
– Role: Controls ignition timing [7]
### Transmission System Parts
– Contains: Transmission [7]
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## Mechanical Fixing Workflow
1. **Initial Diagnosis**:
Conduct road test
2. **Component Testing**:
Measure resistance
3. **Parts Replacement**:
Use OEM parts
4. **Final Quality Check**:
Ensure proper operation
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## Critical Instruments
| **Tool Type** | **Examples** | **Purpose** |
|—|—|—|
| Diagnostic Scanner | Autel | Live data streaming |
| Mechanical Tools | Multimeter | Electrical testing |
—
## Repair Documentation Sources
### Mechanical Information System
– Features:
Component locations [8]
OEM specifications
### Digital Assistants
– Vehicle Service App:
Component testing guides [5]
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## Budget Repair Strategies
– Preventative service avoids costly repairs
– Master code scanning to avoid unnecessary repairs
– Select certified components when OEM prices prohibitive [7]