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-   -   HELP! car runs on 3 cyls when cold (https://www.miataturbo.net/general-miata-chat-9/help-car-runs-3-cyls-when-cold-81225/)

4sfed5 09-30-2014 05:25 AM

HELP! car runs on 3 cyls when cold
 
my NA6 turbo runs like a bucket of crap for about a minute when cold started. after that its "normal" but seems a bit rich.
it feels like its on 3 cyls and will barely idle and chugs like a mofo for about a minute. no real smoke just that smell f unburnt fuel.

plugs and leads are new as is the ignition switch. havent done a compression test yet...

any ideas??

Braineack 09-30-2014 08:09 AM

what cylinder doesn't run and what's not working the spark or the fuel?

curly 09-30-2014 08:53 AM

I like your compression check idea. A low cylinder can hide itself on a warm engine, but it's much more obvious when cold.

barbiemx5 10-10-2014 06:27 AM

ha! and i thought i was the only one this happened to

Zaphod 10-10-2014 06:43 AM

Could also be some problem with the Coilpack if OEM...

codrus 10-10-2014 12:56 PM


Originally Posted by Zaphod (Post 1174463)
Could also be some problem with the Coilpack if OEM...

Coil pack problems usually result in running on 2 cylinders, due to the waste spark config.

--Ian


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