09-01-2020, 04:19 PM | #1 |
New Member
0
Rep 12
Posts |
need help please 2004 x3 missing cyl 4,5,6
hello i have been trying to fix this 2004 x3 2.5i i cannot figure it out please help.so it is missing on cylinders 4,5,6 .codes it has po174 lean b2,po171 lean b1 and po304,305,306 and po 300 random misfire.i have replaced all spark plugs with factory bmw plugs.replaced all coil packs with new bosch coil packs.and replaced upstream and downstream 02 sensors for bank 2 since they were not moving on my scanner.still missing on cyl 4,5,6 i can unplug them while running does not drop engine speed.please help i dont know what to do from here cannot drive shakes and sputters just want fixed.thank you for any ideas or help
|
Post Reply |
Bookmarks |
Thread Tools | Search this Thread |
|
|