Discussion in 'Alternative engine in bus' started by LightningMcQ, Nov 29, 2023.
Don’t you need both sensors installed.
Think you do.
Not sure don't think you do but if anyone can shed any light it would be much appreciated.
I’ve got both installed but nicks very helpful
Connect up both sensors and if it still play up ? If it does change the pre cat one first .I had an early Subaru forester that had the exact symptoms but it was me who damaged the lamba in the first place so it was easy to diagnose .
Both need to be connected.
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