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 Post subject: Re: Twin-spark misfires under boost - ECU power?
PostPosted: Wed Jul 18, 2018 4:19 am 
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Joined: Thu Jul 28, 2011 4:10 am
Posts: 872
ECU Model: S100 Pro
Not sure if you undertook a coil test? this fires all coil drivers together and would show up any issues i'm sure, you could try some massive plug gaps to satisfy yourself that there is no issue.


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 Post subject: Re: Twin-spark misfires under boost - ECU power?
PostPosted: Sun Jul 22, 2018 11:27 am 
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Joined: Tue Aug 02, 2011 2:05 am
Posts: 33
Location: The Netherlands
ECU Model: S60 Pro
Firmware Version: 63
stevieturbo wrote:
Now time to try 0 offset again !! Or 0.00000001 ? lol

Well, its certainly not too rich anymore, running pretty close to target map, so I tried 0 off-set again: Bang-bang! loud mis-fires under boost (at around 4400 RPM this time and only 0.65 bar) :|
Reset to 1 degree off-set: no problem! Not even at 1 bar I also tested with.

I did a track day last wednesday with 1 degree off-set: no problem all day (at 0.65 bar).

So, I really want to believe its not an ecu issue, but I am running out of options here..

_________________
11.06 @ 124.5 mph
'74 VW Beetle turbo S60pro


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 Post subject: Re: Twin-spark misfires under boost - ECU power?
PostPosted: Sun Jul 22, 2018 4:51 pm 
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Joined: Tue Aug 02, 2011 12:08 pm
Posts: 2913
Location: Norn Iron
ECU Model: No ECU
Very weird.


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 Post subject: Re: Twin-spark misfires under boost - ECU power?
PostPosted: Mon Jul 23, 2018 2:17 am 
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Joined: Thu Jul 28, 2011 4:10 am
Posts: 872
ECU Model: S100 Pro
try 0.1 offset


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