Oldsmobile Silhouette: P219A Meaning, Causes, & Diagnosis

P219A is a generic OBDII code.  The code indicates that your Oldsmobile Silhouette’s air/fuel ratio is out of balance (too rich or too lean). Your Silhouette is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are reporting the problem with the air-fuel ratio.   With P219A are … Read more

P2097 Oldsmobile Silhouette

P2097 is a generic OBD II code, which means that it has the same meaning for the Oldsmobile Silhouette as it would any other vehicle.  It specifically indicates that your Silhouette detected that air-fuel mixture reading as the exhaust gas exits the catalytic converter is too rich. (too much fuel for the amount of fuel … Read more

Oldsmobile Silhouette P1153: Causes, Meaning, and Diagnosis

P1153 is not a very common diagnostic trouble code.  It can have different meanings depending on the manufacturer in question. For the Oldsmobile Silhouette, it means: P1153:HO2S Insufficient Switching (Bank 2, Sensor 1) As long as your scanner confirms that the code is for insufficient switching of the heated oxygen sensor, you’re good to go.  … Read more