### P0420 Catalytic Converter Issue
– Common Causes:
Worn catalytic converter [1]
– Suggested Repairs:
Repair exhaust system https://carautorepair.site/
### P0171 Fuel Mixture Imbalance
– Possible Defects:
Fuel delivery problems
– Diagnostic Steps:
Smoke test intake [1][7]
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## Vehicle Service Vocabulary
### Skid Prevention Technology
– Function: Enables safe braking [7]
### Vehicle Computer System
– Role: Monitors sensors [7]
### Transmission System Parts
– Includes: Transmission [7]
—
## Repair Process Steps
1. **Initial Diagnosis**:
Perform visual inspection
2. **System Verification**:
Check voltage
3. **Parts Replacement**:
Follow torque specs
4. **System Validation**:
Ensure proper operation
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## Essential Tools
| **Tool Type** | **Examples** | **Purpose** |
|—|—|—|
| Code Reader | Autel | Live data streaming |
| Mechanical Tools | Smoke machine | Electrical testing |
—
## Service Information References
### Auto Repair Source
– Features:
Wiring diagrams [8]
Technical illustrations
### Mobile Applications
– Vehicle Service App:
Electrical diagrams [5]
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## Affordable Maintenance Advice
– Preventative service prevents major failures
– Master code scanning to avoid unnecessary repairs
– Install quality alternatives when OEM prices prohibitive [7]
