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Avcr Problem

devilsknife

By devilsknife,
in Engines & Forced Induction

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devilsknife Collaborator

devilsknife

Posted
Posted

hi guys ive put in avcr like 3 months ago and its not a daily driver but i was boosting about .7/.8 of a bar when i had it running. but now its gone back to stock boost for some strange reason????

is there a valve in the soilernoid or a like rubber olive??

and the car hasnt changed help

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AngryRB Grand Master

AngryRB

Posted
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yes and i tryd chaning the boost lower or higher and it didnt change on a and b and i check all wiring and vac lines and i cant see what it could be

Which gear are you boosting it in, cause 1st and 2nd wont fully boost, did you change the duty cycle at all?

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Andrewtler Contributor

Andrewtler

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I had the same problem.... it could be 2 things. Either it reset itself or your hose from the stock solonoid is sucking air. Make sure the stock hose (if not in use) is blocked off with a screw or something and set your avc-r again. I have played around with my avc-r for ages and i have stock components. I worked out that to keep a reasonably steady boost at .7 of a bar i set it to .7bar with the duty cycle at 50%. MAKE SURE YOU DONT PRESS INITIALISE OR IT WILL RESET ALL YOUR SETTINGS :(

If you have any modifications i suggest setting the duty cycle to 40% and work your way up while testing the car to ensure you dont have spikes of overboost.

Good luck with it mate

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paulr33 Grand Master

paulr33

Posted
Posted

its unlikely the avc-r would reset itself, the tune and tune data is stored in NVRAM so even if you nuke its power source it wont loose the data

the safc, powerfc, rsm etc are all like this, their tune and data is in NVRAM to prevent magic erasing and resettings

its more likely a mechanical vac line or someone has been fiddling

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