HIGH JACKER

I just installed a sit of EPS 70mm throttle bodies...
everything started off smooth...
i had a mechanic with over 10yrs experience install the throttle bodies.
Attempted to start the car and to no success it would not start.
After hours of fiddling around with throttle body relearn procedure that's recommended after the install we got another mechanic to install the OBD2 scanner and he got to digging and found a couple of codes and corrected those but still had one left that could not be corrected (code P1233)
I was told that I needed to take the car into the dealership so that they could do a throttle body relearn program thoroughly because the car was not running correctly.
So I did just that the next day.
The technician at the Infiniti dealership told me that he attempted 3 times this throttle body relearn procedure and for some reason it won't clear (pass).
He (Infiniti dealership mechanic) with over 20yrs of experience with infinities says its the throttle bodys...
So right away I had my wife contact EPS.
She spoke with Jack and explain to him that I was at the dealership having problems with the new EPS throttle bodies.
He called me I spoke with him and I also had him speak with the technician who had attempted this throttle body relearn three times.
The conversation was unsuccessful right along with the relearn.
Infiniti at this point no longer wanted to touch the car with these throttle bodies installed.
In few words told me good luck and farewell.
Jack states that if he was there with me he would have my car running in 10 minutes with no problems. He asked what state I was in I told him Northern California and he said that he had someone that was a tech who he trusted to work on his product. And that this guy was in Southern California.
Jack says that Infiniti doesn't know what they're doing and that I need to take it to a technician that knows what they're doing SMH because the throttle bodies now need to be tuned lol SMH.
I then tell him we do not have many good techs in Northern California nor can I find one who wants to help me with this problem.
Oh and did I forget to mention that Jack said if I don't get the right tuner I will spend a lot of money trying to get these things to work.
Go ****ing figure!!!
Whos the right one!!??
I found on nico's web a gentleman on there who purchased these same throttle bodies and was having the same problems with technicians not wanting to touch these throttle bodies and the ones who did had no success in getting these throttle bodies to work properly.
I guess they didn't know what they were doing either!!!
And this guy continue to stay in contact with Jack and Jack directed him in another direction for help and there was no success there either.
This guy spent lots of money in buying these TB's and traveling back and forth from NorCal to SoCal and the ending result is him returning the product back and just receiving credit.
BS!!!
I think that he should have gotten a full refund.
If it takes a specialist to work on your throttle bodies then why are they so called Plug and Play SMFH.
At this point with so many unsuccessful attempts with these throttle bodies they should just be discontinued and no longer sold to the public due to the agony,stress and money lose they've created amongst enthusiast of the car world.
So I took the car back to the mechanic who installed the throttle bodies he took out an OBD2 scanner and check for codes and found P1233.
I looked this code up and it's referring to the throttle bodies.
I emailed Jack and let him know what was going on and the new discovery that I had found with this code P1233.
Jack says that this is typically normal,nothing to worry about his guy in SoCal can possibly solve this problem and if he couldnt solve the problem on his own Jack would assist him in troubleshooting the problems SMH.
I hit this guy up but no reply yet.
Now I must say magically the car started acting normal for only a two-week period If that that.
So with this opportunity revealing itself I took the chance on putting the car on a Dyno and I got good numbers lol, didn't last long.
I actually got 16 more horsepower yesterday and today the car went limp and my check engine service light came on.
So can I call this a success!?
Truly not!
Seeing that the day after I got my tune the same problems I had before with these TB's occurred again, which is the car going into limp mode while driving with my kids in the car.
SMH,WTF, Dangerous you think!!!
This is pretty frustrating seeing how much money I have put into these TB's and having no true success in return...
This has become a royal pain in the derriere to say the least.
z1motorsports.com EPS 70MM TB'S $800
Mechanic: friend so i paid lil to nothing $$$
Infiniti dealership: $195
Z Car Garage tune: $650...
Im not sure how all these other success stories have worked...
who worked on these cars to make them so successful with these EPS TB'S.
I would love to know this.
Does anyone know a true reputable Tech in Cali who could possibly tackle this problem.
Thank you for any informative information.
long leave the G

RMB5190

iTrader: (2)

Just took a quick read through the Z forums and it seems like a tuner really needs to know what they're doing with these. 63mm is typically the size you see guys bump to so a lot of tuners have no idea what they're doing when it comes to making changes to your maps. Pretty sure the plastic intake mani can't handle anything bigger than 63mm. What intakes are you running? AAM's are the only one's that mate to this TB without couplers. Causing a lot of turbulence with the different size openings if you're running anything else and everything I've read says that the air is entirely too much at idle with the VVEL system. Slamming way too much air basically.

You're in Cali and have Specialty Z to your south. That would've been my number one choice. Also saw mention of a tuner in La Puenta, Ca ? Not sure where that is for you.

ttv36

iTrader: (1)

The EPS TB's are not Plug and Play in the sense that they will just plug in and work with the stock ecu. They require a proper tune in every instance - there is no way the MAF tables would be scaled correctly without a proper tune. Did the tuner you went to have previous experience tuning this size TB? If the car made power but went into limp mode a few days later I'm suspecting it may have only been tuned through WOT and not through normal driving conditions.

I suppose the misleading part is that the kit includes "Nisformance Plug & Play adapter harness" but that just means "this part wasn't meant to be on this vehicle, but we made a harness so that the wires would work without you having to hack up your own harness". If you look up the harness on the nisformance website it clearly states:

Sorry you didn't know this, or come across it in your research.

HIGH JACKER

RMB Thank for your response.
Yes ive heard of this company you speak of.
So just got a reply from the "Chosen One" in LA lol. the Creator and designer of EPS thinks would be my solution.
Heres what he had to say:
Oh and by the way this guy is a certified tuner in SoCal. This is why Jack of EPS was referring me to this guy.
Heres his response to my email to him yesterday:
"Well, I didn't know I was the solution lol. Also, you didn't tell me for what car, year, model.Other than that, I read your 2 screenshots, and yes, ive seen these issues with customers that come to me, and they have the exact same issues. The dealers machine can't fix it 7/10 times, manual resets won't fix it. For the ones I've tuned , some just idle high, some seem to work correctly, I actually do not have a fix for this. As far as my experience and knowledge goes,...
I do not see a way to "tune" around that issue. I dont think a tune will fix that, you probably got lucky for a day or 2 and then, the issue came up again. What happens when we tune cars, we flash the ecu, and flashing the ecu, resets the ecu, so perhaps when it was tuned, the flash reset the ecu, but it didn't last long.
And yes, it should be a plug and play sort of thing."

So these throttle bodys cant be fixed becuz they're a complete BUST out the gate.
Jack from EPS and Z1motorsports should be ashamed of themselves for pulling a fast one on the consumers.
This guy's (LA) testimony to me said everything.
these throttle bodies can NOT be tuned as I suspected, but my good side wanted to keep hope alive seeing that I spent $800 on these TB's.
CRAP!!!
See what ive noticed when I do searches is I only find good testimony from this guy Jack and z1motorsports.
ive also notice that any and all there testimonial references never say where they had their TB's tuned.
WHY???
You would think that by being a car Enthusiast like all others,the success story would be posted and shared with all the other car enthusiasts.
Right!!!
Well you dont see that and (SMH) I'm curious to know why not.
Answer: Because they were not truly successful in achieving the ending goal,which is the TB's working a 100% properly.
Now it makes a lot of sense on why none of the techs wont bother with these TB's when their customers go to them for an install or help.

Z1motorsports needs to take these TB's off their website because they do not work a hundred percent in the way that they should as a plug-in play product.

They talk about their success with these TB's and how long they've had them on their personal test cars,how they've done extensive testing and they've been successful.
Now what they're not telling you is how long they were successful with these TB's.
See if you go back and read what this guy from LA said
He says that these TB's can be tuned but it wont last becuz the ECU is overriding whatever code has been inserted into its memory bank.
So all in all it does not feel good to be ripped off buy these companies that us the Consumers trust in.
I spent $800 with Z1motorsport on these TB's with them knowing that these TB'S wouldn't perform at a 100% the way that they should.
Very Disappointed.
So now I have to spend additional money to replace my old throttle bodies with new OEM TB's.
I threw out my stock TB's with the intentions on not ever using them again, seeing i got big new ones now.
LOL SMH...
Not the case any longer.
BUYERS BEWARE the beast Man, for he is the Devil's pawn. Alone among God's car enthusiast he steals for sport or lust or greed. Yea, he will murder his brother to possess his brother's car and all his wealth. Let him not breed in great numbers, for he will make a desert of his home and yours. Shun him; drive him back into his grease can, for he is the harbinger of death to your car.
LONG LIVE THE G.

HIGH JACKER

Thanks ttv36.
See now that something that z1motorsports and this guy from EPS should be explaining thoroughly before selling this product to people it's misleading.
head z1motorsports had that information on their website underneath their product more than likely I would not have bought in it neither would any of the other car enthusiasts.
z1motorsports is playing word games with the customers and that's completely unfair to the consumer.
This is why Mom and Pop shops don't last very long because of sneaky backdoor tricks.
this guy from eps was telling me that if I didn't get the right tuner to tune the BS's that I would spend a lot of money.
Go ****ing figure.
Looks like Ive already done that.
ttv36 can you lead me to a tech that can solve this issue.
Please tell me you know this guy and he's in your back pocket lol ready to jump out and help me with this issue lol, it would be much appreciated.
Then I can go on living happy again with a fat smile on my face as I open up the throttle bodies down the road.
I do want to say that Z1motorsports in other ways are a good company and in the past they have treated me well, I don't want to totally discredit them on the Good Deeds that they have done in the past.
But they have definitely fumbled the ball on this one.
TTV36 HELP...

ttv36

iTrader: (1)

I know moncef.faik@gmail.com 319.899.9763 from AdminTuning || Tuning Services || 370Z, G37 Intakes || 350Z, G35 Intakes || Oil Catch Can Solutions has tuned quite a few of EPS TB setups. Perhaps he can point you in the right direction?

HIGH JACKER

Thank You ttv36

RMB5190

iTrader: (2)

As ttv mentioned, there's actually been a lot of success with these TBs. Guys on the Z forum rave about them. I think you just got a product that a lot of people aren't very familiar with; including yourself. It's not a plug and play, just the harness is so you don't have to start splicing and cutting into your stock system. Should that have been made clear? Yes. But a quick Google search of the EPS TB led me to the Z forum and I discovered it requires a very skilled tuner, couplers and may cause issues with most intakes because of the step difference. I found that out in 10 minutes and regurgitated it here.

The ECU isn't over-riding any tune that is on the car...if that's what this tuner said then he's not too knowledgeable about his craft and I wouldn't let him touch my car.

Think about it, if that was the case, who in their right mind would spend $650 -$1,000 on a tune if the ECU re-wrote itself? There's nothing going on with your car that is making it hulk out and go Terminator with self-awareness to wipe a tune.

It's simple really, You're slamming more air into the Upper manifold and the VVEL system is freaking out and going into self preservation. Contact someone who is referred such as the man ttv recommended or Specialty Z. You're pissed, and I understand. Been there man. But cool off, and start reaching out to tuners who have more experience in the craft than whatever garbage the 'chosen one' spouted out. Z car seems to have a good reputation....why didn't you take the car back to them and ask what the issue was with your car? You paid for a service and they don't seem to have delivered. Rob at ZCG seems to be the one mentioned the most if you need a name.

HIGH JACKER

your right about Rob he is a good guy...
he said that he would have recommended me not getting them. But guess what it was entirely too late for all that.
I did search the internet and forums for people who may have had these throttle bodies and no one seems to have them.
G35 I've seen a few people talk about them on those cars but as far as my make model I've seen no one with them (g37 sedan).
I've seen a lot of people talk about the 65mm and 75mm throttle bodies but not the 70mm throttle bodies. And again they have only been G35 for the most part.
and yes z1motorsports is a good company but they dropped the ball on this particular product.
is why when you type in G37 with EPS throttle bodies it doesn't come up or if you type in Big Bore throttle bodies on G37 it doesn't come up.
or if it does come up there's not much information on these throttle bodies other than other people asking about them.
trust me if I knew I had to go through all of this for a set of throttle bodies I would have skipped the idea of even thinking of buying them.
here in Northern California there's not too many specialist quote on quote I would bother with...
a lot of these shops here are just a joke.
or they just specialize in certain vehicles.
I truly don't want to get rid of them because they did make good power when the car actually ran.
I got 16 horses just from using these throttle bodies and other components like an air intake that's it.
I'm going to check out this guy that TT v36 suggest and hopefully I have some success so I could turn the story around and give good vibes.
the guy who designed these when I talked to him on the phone he told me all I had to do was the throttle body relearn.
well come to find out none of that is true so do you feel where I'm getting pissed off with the runaround.
The designer is telling me this and then he also tells me to get in contact with the guy in LA and the guy in LA tells me that there is no way around truly tuning these properly.
he says if you get it tune you're lucky it'll last for a day or two.
guess what that's exactly what happened.
A day is all i got ouy of them lol.
all I want is to put my car in the right hands and get a good result and happily give him my money.
I think if there was that much success with these throttle bodies everybody would have them,but they don't.
I'm just hoping that someone can actually solve the problem.
oh if you go back and read the post where I talked about what the guy said in LA I'm actually quoting this guy.
that was copy and paste of what he sent me and this is the guy that the designer told me to get in contact with.
lol very frustrating lol...
I'm trying to keep hope alive.
LONG LIVE THE G

HIGH JACKER

[QUOTE=ttv36;4149937]I know moncef.faik@gmail.com 319.899.9763 from AdminTuning Tuning Services 370Z, G37 Intakes 350Z, G35 Intakes Oil Catch Can Solutions has tuned quite a few of EPS TB setups. Perhaps he can point you in the right direction?

Hello ttv36 so i got in contact with Moncef.
We're about to get ball rolling.
This guy is pretty dame good at what he does in the tuner world.
I'm very impressed with his knowledge and skill.
Im hoping that he can solve my problem.
I truly feel im in good hands.
I want take the time to thank you for taking the time out of your day or evening to read my post and help by attempting to lead me in the right direction.
Truly appreciated!!!
I will be back with an updated in a few days letting you and all others know how things are going.
Again thank so much.
LONG LIVE THE G.

jpowersjr2

iTrader: (1)

Any update after talking with Moncef?

HIGH JACKER

So the car is running now and we're still trying to iron out a couple of wrinkles with the car going into limp mode.
Getting close to a true tune.
You maybe asking why is it taking so long to get this job done.
Well the answer to that is simple (time).
Moncef has been a pleasure to work with thus far.
he's been working with me and my work schedule this whole time, and that I truly appreciate.
If you were curious to know if the TB's work.
Yes!
But I highly suggest that if you or anyone else reading this decides to get these TB's make sure you have a PRO TUNER already lined up for the install,otherwise you may run into problems the way that I have.
Now,are the throttle bodies worth the money.
Yes!
Again,you must have a PRO TUNER.
Now,the response and Power performance are like night and day.
I got a chance to have a Dino Run done with these throttle bodies.
First Run: 301.09 HP.
243.11 TQ.
Second Run: 317.16 HP
260.82 TQ.
Now these numbers are pretty decent on a 156k+ engine, and keep in mind that the car during this time was not a hundred percent in operating condition, because of the throttle bodies not being tuned yet.
And these numbers were obtained before working with Moncef.
I can't wait to see what type of numbers Moncef can produce for me.
Check out Moncef's new video on YouTube he's demonstrating what he has done with his G bone stock on the dyno, well with the exception of his 3in. long tube air intakes (Nice),and good numbers.
Well heres some of the things I've done to the car for power and efficiency thus far.
1.(Takeda) Long Tube Intake.
2.(Radium) Catch Cans.
3.(Level 10) Transmission Valve Body Upgrade.
4. (Invidia) Catback
5. (Kinetix) Highflow Cats
Besides that the car is bone stock, with a **** tone of suspension that really works.
I hope this help you in some kind of way.
LONG LIVE THE G.

jpowersjr2

iTrader: (1)

So has he done any work on your car yet?

The dyno #'s you posted; is that a before and after the install of the throttle bodies? Or was that before and after a tune?

HIGH JACKER

yes all Dyno runs we're done after the install of the
TB'S

jpowersjr2

iTrader: (1)

When is Moncef going to re-tune it? Interested to see the results. I have been contemplating this upgrade along with his 3" intakes he sells.