P0143 Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 3

What Does P0143 Mean?

P0143 is the OBD-II generic code indicating that the Engine Control Module (ECM) input from the O2 sensor circuit for bank 1 sensor 3 has a low voltage.

engine code P0143	P0143 fix	obd P0143	dtc P0143
obd code P0143	obd2 P0143	P0143 car code	diagnostic code P0143
car code P0143	check engine code P0143	fehlercode P0143	P0143 fiat
codigo P0143	codigo falla P0143	P0143 kody b??dów	codigo de falla P0143

What are the common causes of P0143 ?

Possible causes include a faulty oxygen sensor, faulty electrical connector at the oxygen sensor, faulty or shorted wiring in the oxygen sensor circuit, a blown fuse for the oxygen sensor (if applicable), low or excessive fuel pressure, a vacuum leak on the engine, excessive exhaust leaks, or a faulty PCM. PCM failure is rare.

How do you troubleshoot P0143 ?

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P0143 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

Searches related to P0143 - O2 Sensor Circuit Low Voltage Bank 1 Sensor 3
p0143 chevy truck
p0143 toyota
p0143 bmw
bank 1 sensor 3 location blazer
po144
p0144
code p0143 chevy
p0143 cadillac deville