Bmsluite

iTrader: (1)

Well it seems the new Hitachi coils I got for my 350Z are now also going out. Had a low rpm stutter. Fixed it will new coils. Now stuttering AGAIN. Annoying af.

Hearing the GTR coils have a stronger spark. Cna I just swap the boot over and it's plug and play? Did some research but didn't find too much. Anybody done this swap?

travlee

iTrader: (8)

Have you tested the coils?

Not saying this is the case, but maybe it was just coincidence that it cleared up when you swapped them, maybe the plug or wiring. Just throwing things out there

DarkZ03

iTrader: (11)

98% of spark related concerns outside of a wiring issue will be subdued with new ignition components. Most likely a bandaid, the question is if it's the sparks fault or an outside issue that the new components masked...is the problem constant?

Bmsluite

iTrader: (1)

Intermittent. Happens much more when the engine is very hot and then I'm in city traffic. I've had this same problem with multiple cars in the past. Coils always fixed it. I've never had it come back though.

I cleaned up the ground points on the engine and the ground points where it connects to the chassis thinking maybe a bad ground could have fried them. I did that before I even swapped the coils.

It's also possible I just got one bad coil. Do you guys know what kind of resistance I should be reading between the contacts on the coils?

DarkZ03

iTrader: (11)

I do not, and unfortunately I can't even check mine since I have a DE, they are probably not the same.