Boost problem after fitting 80 series turbo

[Drew jdm]

Hi guys got my 80 series fitted today I havnt had it mapped in yet but I thought it would still drive ok if I turned the boost down a bit but no matter what I set the boost at on my controller wen I put my foot down it just comes on and of boost and hesitates al the time Any ideas ??

 

[raph]

Have you treid running acuator pressure alone ? Ie without the boostcontrollers influence?

Meaning the hose off the boostsource directly to the actuator?

Do that now abnd Look what happens. It should only boost 1.2ish If at all

 

[raph]

Did you swap over actuators or did it come with its own?


Boost leak?

 

[Drew jdm]

It came with its own apparently a new one

 

[And@fcm]

Was there any play in the shaft? Have you connected the solenoid the correct way? You made sure there's no boost leaks? Do you have a wideband?
Andy

 

[Drew jdm]

There was very minimal play just normal really and yeah I've checked the solenoid and that's fine don't have a wideband mate no I've got a turbosmart eboost 2 controller and apexi ecu if that's any help and I can't see any leaks anywhere no where should I be checking

 

[And@fcm]

If it was ok before then it sounds like you've disturbed something or there is a problem with the turbo. You'll have to pressurise the pipe work to test for leaks

 

[raph]

Vacuum hose of the bov? Vacuum hoses slipped off causing a boost leak, you forgot to reconnect the maf sensor plug? Vacuum hose off the vacuum canister at the back of the intake mani fell off... ?

Remove the bumper and inspect all boost pipes,pull on em ,inspect for cracks etc.

 

[Drew jdm]

I have checked the hoses that you mention and they are all in place and connected it doesn't make any sense I don't no what could of caused it

 

[Wingnut247]

I had the same issue when i fitted my 80 series to my V! First thing to do is loop pipe from turbo to actuator and go for drive and check that drives ok like that and boosts to 0.8/0.9 bar and holds it! If its boosting higher then your actuator could be an uprated version which means it stays closed to a higher a pressure meaning ur controller needs less duty to reach set boost pressure so controller will be cutting boost to stop over shoot then making boost again when pressure drops off again! Hense your on/off issue! Then I reset my boost controller (apexi avcr) and started it at 50% duty and went for test drive! Then gradually increased duty till i reached my desired boost level.
Hope this sorts it out for u!

 

[Simon@NTS]

Change plugs then coil packs, but I wouldn't be keep trying to put it on boost or expect a rod popping out to say hello!

 

[fq-craigus]

I had the same issue when i fitted my 80 series to my V! First thing to do is loop pipe from turbo to actuator and go for drive and check that drives ok like that and boosts to 0.8/0.9 bar and holds it! If its boosting higher then your actuator could be an uprated version which means it stays closed to a higher a pressure meaning ur controller needs less duty to reach set boost pressure so controller will be cutting boost to stop over shoot then making boost again when pressure drops off again! Hense your on/off issue! Then I reset my boost controller (apexi avcr) and started it at 50% duty and went for test drive! Then gradually increased duty till i reached my desired boost level.
Hope this sorts it out for u!

This

 

[Drew jdm]

Ok thanks mate that is a really big help I will try that today

 

[Drew jdm]

Yeah that

 

[Drew jdm]

Right guys I've tried taking the solenoid out of play and linked a pipe from actuator to turbo and it peaked at 0.8 bar don't no if that's right or not and then reconnected it back up and still the same problem hits about 1.1bar spikes to 1.6 then drops off all together and runs like a n/a car please help

 

[Drew jdm]

Do u guys think it could be something to do with my controller as its really complicated with tonnes of settings it's a turbosmart eboost 2

 

[RsvRob]

Right guys I've tried taking the solenoid out of play and linked a pipe from actuator to turbo and it peaked at 0.8 bar don't no if that's right or not and then reconnected it back up and still the same problem hits about 1.1bar spikes to 1.6 then drops off all together and runs like a n/a car please help

0.8 is std actuator pressure. So that's fine.
Plugging in the boost controller causes problems meens its def that. You could try a new 3 port solenoid and connect to controller!

 

[Drew jdm]

Ok mate will it have to be a turbosmart one tho and also why has it only done this since changing the turbo?

 

[RsvRob]

Should be any 3port. Just connect 2 wires...
It could be coincidence or something was reconnected wrong or damaged in changing parts.

 

[Drew jdm]

Right ok mate may have to look into a new one I think I will double check the 2 vac pipes going to it again first