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International Automotive Technicians Network
Re: Yes... another smog failure and O2 WaVeFoRm
Posted to Technical Discussion Forum on 11/15/1997

Valve lash could be

[...trimmed text...]

I think valve lash would be less noticeable at 2500. A bad valve smooths out at higher rpms. It would still show, but not as bad...I think.



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