P2198 P2198 code definition O2 Sensor Signal Stuck Rich Bank 2 Sensor 1 What the P2198 code means This trouble code indicates that the upstream oxygen sensor on the second bank of the exhaust is sending a reference voltage to...
Hi there. The issue that maybe happening is the are fuel injectors that are not firing and there is a vacuum leak on the engine. Possible multiple sensors are not working causing the P2196 (https://www.obd-codes.com/p2196) and P2198 (https://www.obd-codes.com/p2198) codes to...