Asalsm o Alekum
In morning when I start my cold car. Its RPM remain a bit higher and a sound like tappet loose.. khrr khrr type appears.As car get warm the RPM gets normal and tappet sounds disappeared.
Is this normal in cold start??
No reply Mean its normal
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Dont worry. Its totally normal bcz my vitz also does the same.
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Thanks for reply and information.
I am using vitz 2001 and experience amost the same issue. People advised me to use high octane and injector cleaners but nothing helped me much.
Its 5 mints high rpm then all good to go na??
High rpm on cold start are absolutely normal and so is slight tappet noise
Yes I observed some other cars too Thats normal for efi system to get optimize temperature on cold start