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Missfires on idle and cruising (no load)

Old 09-05-2015, 06:26 PM
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Default Missfires on idle and cruising (no load)

please help.
I've just turboed my mx5 and all was well (bar some tic and a minor oil drip(solved)) until I started it up earlier today and it spluttered/misfired and died. I can start it with a bit of throttle and have it "idle" if I keep my foot down a bit. It's fine under load I.e accelerating and over run. When I'm cruising it's misfiring. Also, it if burning a lot of oil.

ANY IDEAS??
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Old 09-05-2015, 06:43 PM
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i would not have been happy.
This is not the case here however as I didn't drill the sump. I've got a G19 return kit to the dipstick.
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Old 09-05-2015, 06:59 PM
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Originally Posted by emarkey View Post
...Also, it if burning a lot of oil.
Originally Posted by emarkey View Post
...I didn't drill the sump. I've got a G19 return kit to the dipstick.
Well I can tell you why it's burning a lot of oil.

Regarding misfire: What engine management are you running? What spark plug gap? What wide band O2 sensor?
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