I've changed ignition coil and spark plug on number 6 still no fire on my 2003 bmw 330i code p1353

Question

Runs rough changed coil and plug have 90 psi in cylinder soaked cylinder with Lucas upper cylinder lubricant hoping that would do it. But still nothing after running with new plug took plug out was very wet. Like to get advice?

Answer 1

HI there

You need to check the wiring harness to the coil for issues, the compression also seems quite low. However if you aren't getting fire from the coil this is either a power problem to the coil or an issue with the signal wire from the computer.