B2058 Engine Trouble Code
What is B2058?
B2058 code can indicate a faulty oxygen sensor, which may eventually damage the catalytic converter (repair cost: $2,000–$2,200). Professional diagnosis costs around $200–$210. Oxygen sensors are often straightforward to replace — check your owner's manual for location and instructions. This issue should be addressed promptly to prevent further damage.
Code Information
| Code Type: | OBD-II Body (B) Trouble Code |
| System: | Body |
| Code: | B2058 |
B2058 Symptoms
Check Engine Light
Illuminated dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration
Starting Problems
Difficulty starting the engine
B2058 Code Structure
Understanding what each digit means in the B2058 body trouble code:
| B | 2 | 0 | 5 | 8 |
|---|---|---|---|---|
| Body Code | Fuel And Air Metering (Injector Circuit Malfunctions Only) | Ambient Air Temperature Sensor Circuit Low | Cylinder 1 Injector Circuit Low | Clutch Position Sensor Circuit Malfunction |
How to Fix B2058
Diagnostic Steps:
Regarding B2058, carefully inspect the wire harness near the intake manifold bracket, best accessed from below near the oil filter. Look for chafing, pinching, or damaged insulation.
Repair Solution:
Disconnected, dirty, or fouled spark plugs commonly prevent proper engine operation. Replace spark plugs every season or 25 hours. Verify proper spark plug gap. If plugs are good, check ignition components: spark plug wires, coils, and ignition module.
Technical Notes:
Parts or components should not be replaced based solely on B2058 DTC. Consult your vehicle service manual for proper diagnostic procedures, possible causes, and required testing before replacement.
B2058 Description
B2058 engine trouble code is related to Clutch Position Sensor Circuit Malfunction.
Main Cause
The primary reason for B2058 OBD-II Engine Trouble Code is: Ambient Air Temperature Sensor Circuit Low.