### P0420 Catalytic Converter Issue
– Frequent Reasons:
Exhaust leaks [1]
– Suggested Repairs:
Repair exhaust system https://carautorepair.site/
### P0171 Fuel Mixture Imbalance
– Likely Problems:
Fuel delivery problems
– Troubleshooting Process:
Smoke test intake [1][7]
—
## Car Maintenance Terms
### Electronic Braking System
– Function: Prevents wheel lockup [7]
### ECM/ECU (Engine Control Module)
– Role: Monitors sensors [7]
### Transmission System Parts
– Includes: Drive axles [7]
—
## Service Procedure Stages
1. **Initial Diagnosis**:
Perform visual inspection
2. **Part Evaluation**:
Measure resistance
3. **Component Installation**:
Use OEM parts
4. **Post-Repair Verification**:
Ensure proper operation
—
## Necessary Equipment
| **Tool Type** | **Examples** | **Purpose** |
|—|—|—|
| OBD-II Tool | Innova | Live data streaming |
| Physical Equipment | Torque wrench | Component repair |
—
## Technical Data Resources
### Mechanical Information System
– Capabilities:
Component locations [8]
Technical illustrations
### Smartphone Tools
– Auto Repair Documents:
Electrical diagrams [5]
—
## Cost-Saving Tips
– Preventative service avoids costly repairs
– Learn basic diagnostics to avoid unnecessary repairs
– Use aftermarket parts when budget constrained [7]