Logo

B1489 Engine Trouble Code

B1489 Engine

When you check engine light came on code B1489 the reason should be . However your vehicle's manufacturer may have a different definition for the B1489 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

B1489 Code Meaning :

B 1 4 8 9
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Fuel Temperature Sensor B Circuit Range/Performance Cylinder 1 Injector Circuit Low Ignition Coil A Primary/Secondary Circuit Malfunction

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

B1489 OBD-II Diagnostic Body (B) Trouble Code Description

B1489 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.

Reason For B1489 Code

The reason of B1489 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

B1489 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.