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B1870 Engine Trouble Code

Meaning of B1870 engine trouble code is a kind of body trouble code and when your car's 'B1870 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

B1870 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 B1870 code is occuring now you should check B1870 repair processes.
Now don't ask yourself; What should you do with B1870 code ?
The solution is here :

B1870 Possible Solution:

B1870 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.

B1870 Code Meaning :

B 1 8 7 0
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Engine Oil Temperature Sensor Malfunction Cylinder 10 Contribution/balance Fault Shift Solenoid E Performance or Stuck Off

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

B1870 OBD-II Diagnostic Body (B) Trouble Code Description

B1870 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For B1870 Code

The reason of B1870 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

B1870 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.