### P0420 Catalytic Converter Issue
– Typical Sources:
Worn catalytic converter [1]
– Recommended Fixes:
Repair exhaust system https://carautorepair.site/
### P0171 Fuel Mixture Imbalance
– Likely Problems:
Vacuum leaks
– Diagnostic Steps:
Inspect injectors [1][7]
—
## Car Maintenance Terms
### Skid Prevention Technology
– Purpose: Maintains steering control [7]
### Vehicle Computer System
– Responsibility: Monitors sensors [7]
### Powertrain Elements
– Includes: Differential [7]
—
## Mechanical Fixing Workflow
1. **Initial Diagnosis**:
Perform visual inspection
2. **Part Evaluation**:
Measure resistance
3. **Defective Unit Swap**:
Use OEM parts
4. **Post-Repair Verification**:
Test drive vehicle
—
## Critical Instruments
| **Tool Type** | **Examples** | **Purpose** |
|—|—|—|
| Code Reader | Innova | Live data streaming |
| Physical Equipment | Multimeter | Electrical testing |
—
## Repair Documentation Sources
### Mechanical Information System
– Features:
Component locations [8]
OEM specifications
### Digital Assistants
– Auto Repair Documents:
ECU pinouts [5]
—
## Affordable Maintenance Advice
– Preventative service avoids costly repairs
– Understand DTC meanings to avoid unnecessary repairs
– Use aftermarket parts when OEM prices prohibitive [7]
