B1858 Engine Code Repair
Meaning of B1858 engine trouble code is a kind of body trouble code and when the check engine light comes B1858 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.
B1858 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for B1858 code is occuring now you should check B1858 repair processes.
Now don't ask yourself; What should you do with B1858 code ?
The solution is here :
B1858 Possible Solution:
Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.
B1858 Code Meaning :
B
OBD-II Diagnostic Body (B) Trouble Code For Engine
1
Fuel And Air Metering
8
Fuel Rail Pressure Sensor Circuit Malfunction
5
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
8
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.
B1858 OBD-II Diagnostic Body (B) Trouble Code DescriptionB1858 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.Main reason For B1858 CodeThe reason of B1858 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction. |
B1858 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.