P3098 Mercedes S 280 OBD Code

OBD/2 P3098 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.

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

P3098 Mercedes S 280 Error Code Repair Process :

If your antenna not connected 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 P3098 and engine control unit are in charge of monitoring a bunch of different antenna not connected, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Mercedes S 280 P3098 OBD2 Code

A common cause of code P3098 is the failure of Antenna Not Connected, but there are several other possible causes as well, such as ;

Dirty Oil
Faulty Crankshaft Position Sensor (POS)
Exhaust tube
Loss of ground.

P3098 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.

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

About Us | Contact | Privacy

P3098 Mercedes S 280 OBD Code

P3098 Mercedes S 280 Error Code Repair Process :

Common Causes of Mercedes S 280 P3098 OBD2 Code

P3098 code for other Mercedes cars