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DOHC - 2.3L Duratec / Mazda L Engines Discussions and Topics specific to the Duratec 4 cylinder engines

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Old 09-23-2011
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Oh Dear!

My check engine light has been on for almost a year and today it started flashing and then the engine started to sputter. I got it home and let it idle and you can hear popping out of the exhaust.
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Old 09-23-2011
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Anybody had this happen to them? or know the problem
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Old 09-23-2011
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Flashing means misfire. Get your code(s) read.
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Old 09-23-2011
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cylinder 1 misfire
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Old 09-23-2011
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is that the only code?
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Old 09-23-2011
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theres another one thats been on but i havent figured it out yet, cruise control sensor. the only thing is i dont have cruise control
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Old 09-23-2011
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anyway you need to check your plug and wire to cylinder 1.
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Old 09-23-2011
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is cylinder 1 the front or back? im not really engine literate
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Old 09-23-2011
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front
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Old 09-23-2011
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you let it go for over a year with the check engine light on?

"that's what you get" is the phrase that comes to mind...

check your MAF and IAC, perhaps an easy EVAP code as well?
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Old 09-23-2011
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lol not my choice to let it go that far, i dont own the vehicle, my parents do. ill check it all tomorrow
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Old 09-23-2011
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Quote:
Originally Posted by edgeman4.0 View Post
you let it go for over a year with the check engine light on?

"that's what you get" is the phrase that comes to mind...

check your MAF and IAC, perhaps an easy EVAP code as well?
Flashing CEL means Misfire, as stated above.
MAF IAC an EVAP has nothing to do with that.
I'd start with changing your plugs. then wires.
if those don't work, might be a coil.
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Old 09-23-2011
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The DOHC 2.3 have spark plugs in the middle of the valve cover right? You could have a leak in the gaskets that is causing oil to pool around the spark plug causing the misfire. Make sure you check down that hole too.
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Old 09-24-2011
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it was the coil pack. $150 in one day lol
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