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B0273 Engine Code Repair

Meaning of B0273 engine trouble code is a kind of body trouble code and when your car's 'B0273 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.

B0273 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 B0273 code is occuring now you should check B0273 repair processes.
Now don't ask yourself; What should you do with B0273 code ?
The solution is here :

B0273 Possible Solution:

B0273 Engine

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.

B0273 Code Meaning :

B
OBD-II Diagnostic Body (B) Trouble Code For Engine

0
Intake Valve Control Solenoid Circuit Low

2
Fuel Rail/System Pressure - Too High

7
Cylinder 4 Contribution/Balance Fault

3
Glow Plug/Heater Circuit 'A' Malfunction

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

B0273 OBD-II Diagnostic Body (B) Trouble Code Description

B0273 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Main reason For B0273 Code

The reason of B0273 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

B0273 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.