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B1490 Engine Trouble Code

Meaning of B1490 engine trouble code is a kind of body trouble code and B1490 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

B1490 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for B1490 code is occuring now you should check B1490 repair processes.
Now don't ask yourself; What should you do with B1490 code ?
The solution is here :

B1490 Possible Solution:

B1490 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

B1490 Code Meaning :

B 1 4 9 0
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering O2 Sensor Heater Circuit Malfunction Crankshaft Position Sensor A Circuit Malfunction Shift Solenoid E Performance or Stuck Off

Regarding the B1490 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

B1490 OBD-II Diagnostic Body (B) Trouble Code Description

B1490 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For B1490 Code

The reason of B1490 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

B1490 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.