### P0420 Emissions Control Malfunction
– Common Causes:
Faulty oxygen sensor [1]
– Suggested Repairs:
Diagnose fuel trim https://carautorepair.site/
### P0171 Air-Fuel Ratio Error
– Potential Issues:
Vacuum leaks
– Troubleshooting Process:
Check fuel pressure [1][7]
—
## Auto Repair Terminology
### Electronic Braking System
– Function: Enables safe braking [7]
### Engine Management Unit
– Role: Controls ignition timing [7]
### Powertrain Elements
– Includes: Differential [7]
—
## Repair Process Steps
1. **Initial Diagnosis**:
Scan DTCs
2. **System Verification**:
Check voltage
3. **Component Installation**:
Follow torque specs
4. **Final Quality Check**:
Test drive vehicle
—
## Essential Tools
| **Tool Type** | **Examples** | **Purpose** |
|—|—|—|
| Code Reader | Innova | Retrieve DTCs |
| Physical Equipment | Smoke machine | Component repair |
—
## Service Information References
### Mechanical Information System
– Features:
Component locations [8]
OEM specifications
### Smartphone Tools
– Vehicle Service App:
Component testing guides [5]
—
## Budget Repair Strategies
– Regular maintenance extends vehicle life
– Understand DTC meanings to prevent mechanic overselling
– Use aftermarket parts when OEM prices prohibitive [7]
Một số bài viết khác:
5 lý do khi may áo thun công nhân giá rẻ tại cơ sở May Hưng Thịnh
Surnaturel et croyances populaires à travers les âges
Cute Morning Cartoons for Kids
Online-Geschäft: Die nächste Generation von Unternehmern stärken
Lựa chọn sai thương hiệu – Mất tiền, mất thời gian
Thiết kế website: Tất cả điều cần biết