Here is something interesting concerning my Ecutek Tune performed by Dynotronics.
1. Last week my check engine light came on. I was throwing a P1421 per my OBDII reader.
2. Two weeks prior to this code, my car was running a little rough especially at start up. Normal Cold Start procedure RPM's would go to 1.5K, hover and then gradually come back down. It was going all the way to 2.3K, hover, sound rough and then very, very slowly come back down. Again on cold starts.
3. After engine was warm, I noticed idle RPM's a little higher than the normal .6K idle. My car was idling between .7 and .8K. As anyone would know, this is quite noticeable.
4. After engine was warm, I then noticed the RPM's jump to nearly 1.2K when shifting to Neutral......every time. I would feel the car slightly jerk when placing the car back in Drive.
5. I took my car to the dealership. My car is still under Nissan warranty as I purchased it as "Certified Used". I was a little concerned my warranty would be Void if they detected the Ecutek tune?
6. They didn't say anything one way or the other and confirmed it was in fact throwing a P1421. They then advised an NTB10-149 was issued for ECM update regarding the Cold Start Control. Apparently, this was an issue with both 2009 and 2010 models.
7. They then updated the ECM per Bulletin, cleared codes. Check engine light is now off.
There is no question the reflash of the ECM has cleared the Dynotronics tune.
Prior to taking the car to the dealership, I contacted Joe at Dynotronics to get his take. He advised this code had nothing to do with the tune.
I then contacted Joe after the dealership reflash. He advised to reflash the ECM with the latest file he sent me which was back in July 2014.
I have to be honest, given Scionide's experience along with my own, I am a little concerned to do this.
I am thinking about ditching the Ecutek, taking my loss like a man, and go with UpRev who is proven.
Appreciate your comments.
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