B1441 Engine Trouble Code
What is B1441?
With B1441, you may drive for several weeks with a malfunctioning MAF sensor, but expect decreased fuel economy and eventual stalling. Shop replacement costs $240–$400 depending on vehicle. The labour is straightforward, with most cost from the part itself.
Code Information
| Code Type: | OBD-II Body (B) Trouble Code |
| System: | Body |
| Code: | B1441 |
B1441 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
B1441 Code Structure
Understanding what each digit means in the B1441 body trouble code:
| B | 1 | 4 | 4 | 1 |
|---|---|---|---|---|
| Body Code | Fuel And Air Metering | O2 Sensor Heater Circuit Malfunction | Injection Pump Fuel Metering Control 'B' High | Crankshaft Position Sensor A Circuit Low Input |
How to Fix B1441
Diagnostic Steps:
Poor running symptoms align with MAP sensor malfunction. In some cases, a faulty MAP sensor will not trigger a code. The issue may represent separate wiring concerns requiring individual diagnosis.
Repair Solution:
A/C pressure sensor monitors refrigerant pressure changes. DTC sets when pressure change falls outside calibration. Verify A/C system function, refrigerant charge, and electrical connections.
Technical Notes:
For B1441, verify VCT solenoid operation. Look for stuck or sticking valves caused by contamination. Consult vehicle-specific repair manual for proper component testing procedures.
B1441 Description
B1441 engine trouble code is related to Crankshaft Position Sensor A Circuit Low Input.
Main Cause
The primary reason for B1441 OBD-II Engine Trouble Code is: O2 Sensor Heater Circuit Malfunction.