Quote:
Originally Posted by NorthStyle
Also, as Rusty said: you kept adding parts without fixing the initial issue. Not sure why you changed the O2 sensors, plugs, or coilpacks if none of those parts were experiencing issues prior to the ECU swap (minus plugs when boosting).
EDIT: Why did you have to pay the "pre-inspection" fee twice if it was not successfully completed the first day?
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Well, forgot to add that I went to Z1 twice yes, but about four weeks apart from the first visit to the second. On my first visit they run out of time, I was all day in there, and they told me to schedule another day to finish it because they wanted me to weld the wideband sensor where the y pipe meets in one single pipe. So I did, I got a cheap MIG at harbor freight and put it where they asked me to, and could not schedule earlier. It came in handy for me because I decided to go E85 and purchased a Zeitronix flex sensor as well so I got the E85 tune as well.
On my first day, the receptionist Kelly told me that pre inspection was optional, but highly advised, she said they check for boost leaks, spark plug gap and things like that.
I opted for the pre inspection yes, and they found a boost leak, and told me that the boost reference was not right (although I copied it from someone that has no issues)
I paid a second pre inspection, because the car was still with that issue and maybe the second time they might find something else, and here is the first red flag for me. They told me that spark plugs were badly gapped for boost (she was correct, they were new denso oem from the box, my bad),
Red flag because, didn't she told me they check for that in first place? they did not, but well, second time there and it was done so I'm ok with that.
Then they told me that 5 out of 6 coilpacks were bad, which I believe it could be possible, not bad bad that they don't work but maybe weak?
Without a doubt I opted for the improved Z1 coilpacks, everything they need to fix this car I said to myself... Unluckily for me, they didn't have Z1 brand in stock, but only OEM which in theory are inferior but also much more expensive. Again, whatever needed to finally fix this, I felt happy because maybe that could be causing this issue.
Second red flag, and I didn't noticed it earlier so now its late to complain, but I got charged $180 (plus tax I think) to install the 6 coilpacks... they had to remove them to check the spark plugs gap, and then re install them, all included in pre inspection, but since I opted for new parts I got charged for installation!. Again, my fault because I didn't notice it before, but it feels like paying lets say 1000 to change gallery gaskets and 1000 extra if you decide to change the chain or water pump, it has to be done anyways...
Third red flag is that I lost NATS (Nissan Anti Theft System), it was working before Z1 and I don't know why they needed to disable it, probably it was needed yes, but after I left I don't have any more support from them, I called twice asking for the ROM file in case something goes wrong wile recovering nats at a dealer or whoever is capable of fixing it (they recommended me a dealer or friend with dealer tool access), and after my second call asking for it it felt like You calling again??
Anyways, after leaving the shop, the car felt much better overall, I really like it and I think they did a great tuning job with what they had, but it is still wrong and I don't consider its safe or right to use it like it is.
Sorry for the long text brick , and thanks everyone helping me with any input