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U2873 Engine Code Repair

Meaning of U2873 engine trouble code is a kind of network trouble code and U2873 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,140 and you can't do it yourself unless you're an experienced mechanic.

U2873 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 U2873 code is occuring now you should check U2873 repair processes.
Now don't ask yourself; What should you do with U2873 code ?
The solution is here :

U2873 Possible Solution:

U2873 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.

U2873 Code Meaning :

U
OBD-II Diagnostic Network (U) Trouble Code For Engine

2
Fuel And Air Metering (Injector Circuit Malfunctions Only)

8
Fuel Rail Pressure Sensor Circuit Malfunction

7
Cylinder 4 Contribution/Balance Fault

3
Glow Plug/Heater Circuit 'A' Malfunction

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.

U2873 OBD-II Diagnostic Network (U) Trouble Code Description

U2873 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Main reason For U2873 Code

The reason of U2873 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

Parts or components should not be replaced with reference to only a U2873 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.