back to stock - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

gt7877 · 03-26-2020, 01:26 PM

Dear all

I have removed my turbo kit form my FRS + Ecu +imo ecu

And I install it to my friend FRS

I remove both ecu because it has ecuTek tune ..

My call ID was
ZA1JB01C

And I run the turbo car with no issue..

Now my issue

I have install the second car ecu + imo ecu to my car .

Call ID at this ecu :
ZA1JB01G

I have only install Cold air intake
And OFT STAGE 1 TUNE

but the issue now

When RPM hits 4k I hear something like knoking at driver side

It's start around 3900k - 4100k

Then gone

Only happens while driving ..
At stop and revs all r good

Any idea
Or could be the tune issue

Can I use other CID ??

Thnx

churchx · 03-26-2020, 01:49 PM

I'd check two things - if some exhaust bit starts rubbing somewhere due thermal expansion (thus harder to diagnose when stationary/cooled off except for already made contact marks). And also state of direct injector seals.

tomm.brz · 03-27-2020, 06:04 AM

B01G doesn t exist, check better

anyway the Sound is normal with stage1 cam timing, it s just a resonance induced by the cam system

03-26-2020, 01:26 PM	#1
gt7877 Senior Member Join Date: Aug 2018 Drives: turbo frs Location: worldwide Posts: 173 Thanks: 122 Thanked 8 Times in 7 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	back to stock Dear all I have removed my turbo kit form my FRS + Ecu +imo ecu And I install it to my friend FRS I remove both ecu because it has ecuTek tune .. My call ID was ZA1JB01C And I run the turbo car with no issue.. Now my issue I have install the second car ecu + imo ecu to my car . Call ID at this ecu : ZA1JB01G I have only install Cold air intake And OFT STAGE 1 TUNE but the issue now When RPM hits 4k I hear something like knoking at driver side It's start around 3900k - 4100k Then gone Only happens while driving .. At stop and revs all r good Any idea Or could be the tune issue Can I use other CID ?? Thnx

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03-26-2020, 01:49 PM	#2
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,336 Thanks: 698 Thanked 2,091 Times in 1,437 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	I'd check two things - if some exhaust bit starts rubbing somewhere due thermal expansion (thus harder to diagnose when stationary/cooled off except for already made contact marks). And also state of direct injector seals.

03-27-2020, 06:04 AM	#3
tomm.brz Senior Member Join Date: Jan 2017 Drives: brz 2017 hksv2 Location: italy Posts: 2,292 Thanks: 517 Thanked 1,125 Times in 815 Posts Mentioned: 70 Post(s) Tagged: 0 Thread(s)	B01G doesn t exist, check better anyway the Sound is normal with stage1 cam timing, it s just a resonance induced by the cam system

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