B1436 Engine Trouble Code
What is B1436?
With B1436, 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: | B1436 |
B1436 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
B1436 Code Structure
Understanding what each digit means in the B1436 body trouble code:
| B | 1 | 4 | 3 | 6 |
|---|---|---|---|---|
| Body Code | Fuel And Air Metering | O2 Sensor Heater Circuit Malfunction | Injection Pump Fuel Metering Control 'A' High | Ignition Coil A Primary/Secondary Circuit Malfunction |
How to Fix B1436
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:
Firing order is engineered to minimise vibration. Altering firing order results in mistimed ignition and poor engine operation. Consult vehicle-specific repair manual for correct firing order.
Technical Notes:
B1436 on electronically controlled automatic transmissions relates to shift solenoid operation. The solenoid actuates hydraulic circuits controlling clutches or bands for gear changes.
B1436 Description
B1436 engine trouble code is related to Ignition Coil A Primary/Secondary Circuit Malfunction.
Main Cause
The primary reason for B1436 OBD-II Engine Trouble Code is: O2 Sensor Heater Circuit Malfunction.