Flashing cel

pcb

The Diagram Dude
:
2002 MP5
That does look a lot cleaner but I don't see the top of the piston in the picture.

 
:
Mazda protege5
Running half a can of seafoam in the crankcase and half a can in a full tank will clear a bunch of the top layer carbon deposits. Might free up your oil rings if there's any tension left in them.
 

pcb

The Diagram Dude
:
2002 MP5
Well, that's good news.

You may have had a couple of slightly fouled cylinders that just needed to clear themselves out.

That fouled cylinder you posted a picture of should clean itself up with some good clean combustion.
 
:
protege5
Cleared the code made sure everything was tight and it drives fine now. So no idea hopefully it stays off while I sell it.
Just pull the bulb out of the check engine light lol. Or, I know guys that used to wire the check engine light bulb in with the battery light bulb. that way when you turn the key on, engine off, the CEL would turn on like normal. but no more pesky CEL.

so what ended up being the fix? hopefully it stays fixed!
 

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