EgoXR6Turbo

It’s all sorted now. Boost by gear tune removed it just has high and low boost tune plus valet. high boost holds basically 15psi in all gears creeps to 16 in 4th gear. Low boost holds 10 psi and creeps up to 12 to 13 on full noise in 4th. drives really nice boost comes on nice. my car for whatever reason didn’t like the gear ratios set out in the tune which are set for this type of tune by pcmtec. Tuner adjusted manually and still didn’t like it. Suspect it has something to do with the abs or whatever sensor is reporting back the wheel speed to the ECU and subsequent boost control for the by gear tune. That signal input must be wrong hence the boost all over the shop. I didn’t really need the boost by gear tune anyway and the alternative was for them to start to look at abs and wheel speed sensors and try and sus out the issue with pcmtec. I didn’t want to wait days for that to eventuate just for a boost by gear tune so happy now it’s all sorted. thanks for the input

Yer completely agree and I was very forward about that today. I’m giving them one last chance tomorrow if they can’t fix it I’ll be going to someone else and demanding the money back for the tune.

Yer I gave him a bit of a roasting so I’m sure he will do it tomorrow. My understanding of boost by gear is that the boost level rises based on gear or speed to assist with traction and load. Wouldn’t the high boost tune have all the boost in all gears? it’s really surprising if it’s the tuner. This place has been operating for o we a decade all they do is ford and the joint is packed out week on week on week. They have a good rep and lots of known cars come out of there. I must be unlucky or something

So just thought I would post an update on this. Went back to tuner today ran it up on the dyno and it replicated the issue I was having. Now bear with me my understanding of what the issue is. He basically said that my car was super sensitive to the gear ratios set out in the pcmtec map. Basically there are set parameters from pcmtec for certain types of tunes like boost per gear. This generic code with set parameters is used in all falcons when doing a boost by gear tune. Apparently my car didn’t like it and he was trying to figure out with pcmtec as to why. Now he adjusted some things and got it holding boost and behaving perfect on the dyno. Though yew beauty. Took it for a drive seemed great then got out on the highway and same thing in 5th and 4th gear. Prob worse. Overboosting, surging between boost levels you name it. It even boosted to nearly 20 psi in 3rd gear in the low boost tune. WTF. anyway heading back there tomorrow as it was late and getting rid of boost by gear tune and just running the high and low boost as apparently the issue is just from this tune. I don’t really need it or care and would rather the car running right. do many ppl actually run boost per gear? If I was going to nail it I’d want it on high boost anyway. that’s my understanding of what’s going on I’m sure it might make more sense to some of the gurus in here. Any thoughts?

Thanks jet. Sorry for my lack of understanding so when a car is tuned are they doing this per gear? Or is literally the settings done in 4th and that’s it. Because if the settings you mentioned for over boost etc wouldnt these just be the same for each gear if so why is there is discrepancy as in why does it only do it in different gears if the data is the same? I’m just trying to learn and understand what’s happening. My issue seems to be very similar to what some mention when they talk about the waste gate porting and flapper mod requirement. You don’t think this is also part of the issue at all? it’s going back to the tuner this Tuesday so hoping it can all be rectified. And the other question I have is that the overboost settings will also cause both issues being the boost creep over boost in 4th and the slow boost build in 3rd and the boost Osalating in 5th?

Have an fg turbo recently tuned. It would appear as though max boost in the high boost setting is 15 psi. It holds that in gears 1,2,3. However 4th it’s over boosting to like maybe around 16 to 18 psi at full noise. why does it only over boost in 4th? Is this an issue for engine safety and longevity or is this sort of amount negligible? its standard turbo with full exhaust including 4 inch dump and high flow cat. Plaz 700HP cooler and plaz 4 inch turbo side intake. it doesn’t have flapper mod and waste gate port as both the tuner I went with and the other one I was going to go with said it wasn’t required. the other issue I’m having is in 5th gear it doesn’t seem to want to boost past 10psi. It will if you ease it on but if your say at least 100kms you go to overtake someone and put some decent throttle in it will go to 10 like hold that for a few seconds then spike to 15. The other variant is that it’s going between 10 and 15 psi like a yo yo. Only in 5th gear no others. I did put a post up the other day on this part not on the over boosting part so I thought I would include both to see if this is potentially related as in bad tune, need waste gate ported? Thoughts? It will also will do the same thing in 5th when your coming out of 4th at full or decent throttle

Just also looking at some preventive maintenance is it worth replacing the factory actuator? I know turbosmart sell them with different PSI ranges but I have heard a lot of people say they are no good and really hard to control the boost? Are these any good? If not can anyone point me in the right direction on finding a genuine garret replacement? Can’t seem to find a listing? Cheers

Thanks jet that’s a bit above my knowledge but if it’s as simple as it comes across to iron out that will be great.

The conversations I have had with them are basically he can’t believe this is happening he has done hundreds of these etc. Those comments and his persona was where the arrogance comment come from. He wasn’t aggressive or anything just arrogant. So It makes you reluctant to keep going back as it’s not very accommodating. They are going to check it out and put back on the dyno in a couple of weeks and hopefully sort it out. But 100% you pay for it and it should be right. They said if it’s tune related there will be no cost. No problem with the arrogance as long as it gets sorted. hopefully will be all sweet in a couple of weeks. Thanks guys

Haha nah only a little half squirt to overtake. Good help is hard to find. Hopefully they can sort it. Thanks mate

Yer true it’s really given me the sh*ts. They are 1 hour and half away and can’t get in until 2 weeks. He is quite arrogant as well so I’m half inclined to take it somewhere else however if I do take it back there it’s prob not going to cost me anything. If I take it somewhere else I’ll have to pay for it again. I’m wondering as well when it was on the dyno id say the load is prob different compared to the road and don’t they normally run it up as in come on full boost in 4th gear. so they are not even testing out other gears is there just an assumption that the same parameters will work from 4th gear to the others? 1st and 2nd and 4th gear on boost drives amazing. Normal driving drives great. So doesn’t sound like a waste gate actuator?

Yer I was a bit surprised by the reverse light switch but hey they are supposed to be the experts. The only thing with that is it does the same thing on the high boost tune so it’s gear specific rather than the tune

Hi Guys, So I have a FG turbo it’s got all the usual bolt ons standard turbo and tune. It has 4 tubes through PCM Tech. Low boost, high boost, boost per gear and valet. It’s basically got full exhaust including dump, intake fuel pump, injectors, intercooler, gfb diverted valve usual type stuff. I have this issue so if I’m on the highway and try to accelerate in 5th gear it will boost up to 10 psi and then surge up and down between 10 to 15 and really struggle. The boost is all over the place. Even if you are WOT to redline in 4th then hit 5th it basically does the same thing will hit 10 psi then won’t make any more boost before finally shooting to 15. In 3rd gear also it will hit 10 pound and sometimes it will sort of struggle to make more boost then shoots to 15. Other times it’s fine. this is in boost per gear tune and high boost. 1st, 2nd and 4th gear are fine. Pulls up to max boost beautifully. I suspect it’s a boost control issue. Cleaned solenoid seem to make it a bit better in 3rd gear but not 5th. im looking down the path of actuator which is standard. My tuner advised me it doesn’t need the flapper mod and so did a few other places. He did mention it could be the reverse light switch being a manual. Basically he said when it’s under max load in these gears it’s triggering the ECU to think the car is in reverse and is dropping power. Apparently it’s not super common but has seen it happen a few times. Mine is manual. I would be surprised if it’s a bad tune. Where I got it done all they do is mustangs and Falcon s for the past decade and he would have seen hundreds of set ups like mine. Anyone heard of this or have any other suggestions? thanks

So this is pretty normal then yer? I can adjust the fuel pressure easily whilst it’s on idle to meet 60psi And just to confirm the walboro intake 460 have a check valve. I did check their website and it said it does but thought wouldn’t hurt asking as well

I might be thinking too much into it. The pump is priming and there is fuel pressure. I put my camera on the engine bay whilst I turned the key and it has 60 psi fuel pressure. so I think with the tune and bigger pump injectors etc it’s just taking a longer to start. my next question then is this common after a tune? second question is why would this be the case? Cheers