U3143 Engine Code Repair
Meaning of U3143 engine trouble code is a kind of network trouble code and when the check engine light comes U3143 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.
U3143 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for U3143 code is occuring now you should check U3143 repair processes.
Now don't ask yourself; What should you do with U3143 code ?
The solution is here :
U3143 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.
U3143 Code Meaning :
U
OBD-II Diagnostic Network (U) Trouble Code For Engine
3
Ignition System Or Misfire
1
Ambient Air Temperature Sensor Circuit Low
4
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
3
Glow Plug/Heater Circuit 'A' Malfunction
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.
U3143 OBD-II Diagnostic Network (U) Trouble Code DescriptionU3143 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.Main reason For U3143 CodeThe reason of U3143 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low. |
Parts or components should not be replaced with reference to only a U3143 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.