P1493 Bitter Sc OBD Code

OBD/2 P1493 error code description and symptoms.

Catalytic converters must be warm before they can work properly. On a cold start the PCM provides a rich mixture to keep the cold engine running.
All that extra fuel goes into the catalytic converter. But the exhaust isn't very hot, because, ah, the engine is pretty cold. GM has employed several strategies to fire up the catalytic converter quicker and reduce cold start emissions. One way is to use a secondary air pump that pumps outside air directly into the catalytic converter.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

P1493 Bitter Sc Error Code Repair Process :

If your p1493 rcnt solenoid circuit malfunction check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P1493 and engine control unit are in charge of monitoring a bunch of different p1493 rcnt solenoid circuit malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Bitter Sc P1493 OBD2 Code

A common cause of code P1493 is the failure of P1493 RCNT Solenoid Circuit Malfunction, but there are several other possible causes as well, such as ;

Dirty Oil
Continuous oil flow to the VCT piston chamber
Fuel pressure
Exhaust gas leaks

P1493 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

P1493 code for other Bitter cars

You can view according P1493 DTC for your car model. We selected several models to see obd2 solutions click and view it.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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