Hi all!
I'm a 350Z TT owner from Europe and actually kind of in trouble.....
I have a 2004 GTM stage 2 TT 350z with built HKS engine, DW 600cc injectors, Walbro 255 fuel pump, fuel return system and Haltech engine management.
While driving the car, I have some issues with my Idle: I stop at a red light and if I take the feet of the pedal when I have 3000 rpm, the idle goes down and finally engine stops. From time to time, around 1500 rpm the Idle is hunting...
The tuner is trying to convince me that it will never work like the stock ECU but I have some doubts about the setups...Problems also with cold start...
Check engine light turn on from time to time and I have error codes for ignition and bad cam angle...

Has anibody experience the same problems?Any clues how to fix it?
Thanks!

 

I would say check the vacuum hoses. My car runs jus fine with the Haltech. No idle issues at all. No codes... Maybe find a new tuner if thats even possible.

Contact Hal@dynosty.com and ask him if he might be able to help..
Others can offer more as Im not anywhere near knowledgeable enough to answer tuning questions.
U might wanna check out http://www.forums.haltech.com/ for more help.

 

the cam error is not unexpected if your tuner did cam tuning.

With that size injector, the car should idle perfect. I think your tuner meant to say, with his tuning abilities, your car will never run like stock.

Have you tried doing a correct TPS reset. That helps hunting issues alot of the time. The car has to be at operating temp before doing the calibration.

 

With the modifications you listed and DW 600cc injectors.. that car should start and drive like stock. It sounds like you need to find a new tuner if he is telling you that is normal.

 

easy thing to say...any suggestions?

 

Email me your map and I'll have a look at it for you. We offer custom tailored base maps, but ultimately you will still need a tuner to finalize it to your vehicle. I am available for travel tuning and internet tuning as well if there truly is no one there capable of making your car run properly.

 

I'll do this on friday and than we can talk about a sollution. The garage has a dyno and all the tools. I think they only need more experience on the Haltech.Internet tuning might be the most convenient. Thanks!

 

So, today picked up my car from the tuner. The car runs fine except the idle that from time to time hunts, but I have a new problem: my VDC, ESP don't work anymore. Found the C1131 and C1130 error codes and we couldn't get it fixed...anibody any clue?