Code : P2098
Description : P2098 MITSUBISHI Downstream Fuel Trim System 2 Lean
Possible causes :
– Downstream O2 sensor harness is open or shorted
– Downstream O2 sensor circuit poor electrical connection
– Exhaust leak near O2 sensor
– Faulty O2 sensor
– Fuel contamination
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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