Shaky engine on cold start

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11-28-2016, 04:22 AM

elior77

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Shaky engine on cold start

Hey,

It is a 95 miata with turbo (t28) on it, I installed a DIYPNP in it - works great.

On cold start the engine is vibrating alot... what could it be ?

I have a 97 miata, turbo too and DIYPNP too - no shacking on cold start...

Thanks !

11-28-2016, 11:42 AM

akbloom

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Tuning? Sounds like your cold start enrichment needs adjusting.

11-28-2016, 03:08 PM

adryargument

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Not enough fuel, starting to choke.
However my car can idle on 3 cylinders, which causes it to shake like hell - enough to shake the gearstick erratically.