1UZ Lean condition?
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1UZ Lean condition?
I've come to the conclusion recently that I'm running lean. Although this also might have been affected by the oil change monkeys overfilling it last time. There is dieseling, there is pause directly after shifting at full throttle. Indications of running hot. Temp gauge reads normally however, and absolutely no loss of power. ECU was just rebuilt a week ago. Could this be a MAF issue? I've suspected it being bad for a little while now.
#2
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i had a CEL code 25 (running lean) changed the main O2 sensors on the headers, fixed that. do you have any codes? i doubt too much oil would cause this, just check the dip stick and drain some if there's too much.
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here's about the O/D light
https://www.clublexus.com/forums/sc-...-flashing.html
https://www.clublexus.com/forums/sc-...-flashing.html