Check P0143 Fault Code
When you check engine light came on code P0143 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0143 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
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Parts or components should not be replaced with reference to only a P0143 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. |
P0143 Possible Fix :
A failing oil pump can cause what's called oil starvation, which is almost always fatal to any engine. Overhead cam engines are especially at risk, because the cam and valve train are farther from the pump than they are in pushrod engines. Oil should be of a proper viscosity, which means it needs to be light enough to move quickly.
P0143 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0143 OBD-II Trouble Code The rear heated oxygen sensor (or sensor 3 for some vehicles), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Even if switching characteristics of theReason For P0143 CodeThe reason of P0143 OBD-II Fault Code Check is P0143 O2 Sensor Circuit Low Voltage Bank 1 Sensor 3. |
P0143 Solution:
Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.
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What does fault code P0143 mean ?
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How to Clear P0143 Trouble Code
An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.