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      12-03-2023, 11:21 AM   #1
Erikoski
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Drives: 2010 528i
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Misfire on cyl 3 / MAF Leak

Looking for some help with an issue im trying to nail down, (PS had to create a new login as my old one for some reason would not work from many years ago)

first some history, had a code come up for the eccentric sensor which also threw a cyl 3 misfire. I replaced the sensor and put the valve cover back on etc and the eccentric code went away and the engine did not have the super rough idle.

now i am getting the following codes since doing the eccentric sensor
1. P00BC
2. P0300

i have done the following already, swap plugs and injectors misfire stays on cyl 3, swapped injectors and misfire stays on cyl 3 still.

put a new coil in cyl 3 and still a misfire on cyl 3.

not sure what approach to take next for the misfire and the MAF leak, i checked the tube behind the motor for cracks and didnt visually see anything (but cant guarnatee it is not cracked else where).

any tips or help would be appreciayed.
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      12-03-2023, 12:27 PM   #2
Erikoski
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Is there a chance the maf leak is causing a misfire , the engine runs smooth until it hits 600 rpm then it blips up and down hard to tell there is even a misfire
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