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International Automotive Technicians Network
Re: OE spark plug and O2/AFR lookup
Posted to Shop Management Forum on 12/23/2023

I also remember many Toyota V6 motors with NGK on one bank and Denso on the other. I never had any idea why. What is important is that either of those plugs work well in that application. A lot of German motors originally came with spark plugs that were found ... Login to read more.