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High rpm ignition advance noise
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Topic: High rpm ignition advance noise (Read 13724 times)
prj
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Re: High rpm ignition advance noise
« Reply #15 on: September 16, 2013, 03:07:13 PM »
Most likely the reason it is pulling timing is because you are hitting TQ limiter on gearbox.
Also, hook up a wideband and verify the AFR you think you are running is what it is actually running.
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curamrdan
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Re: High rpm ignition advance noise
« Reply #16 on: September 18, 2013, 04:28:14 AM »
Gearbox TQ limit will not show on CEL when i hit them? Only silent fight with engine ecu?
And another question, why ecu request more boost/load after gear change(example 3 to 4)? Some correction?
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Last Edit: September 18, 2013, 04:31:40 AM by curamrdan
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prj
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Re: High rpm ignition advance noise
« Reply #17 on: September 18, 2013, 02:19:28 PM »
It most likely does not request more load, but requests more boost, because the IAT is up.
Basics!
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curamrdan
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Re: High rpm ignition advance noise
« Reply #18 on: September 19, 2013, 03:03:48 AM »
Thanks, good to have confirmation from experienced people;)
And you didnt answered first guestion, so i assume that yes - no CEL on hit a gearbox TQ limit.
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prj
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Re: High rpm ignition advance noise
« Reply #19 on: September 19, 2013, 03:08:47 AM »
Yes, no CEL, it's like ESP.
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IamwhoIam
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Re: High rpm ignition advance noise
« Reply #20 on: September 19, 2013, 06:18:12 AM »
try going WOT in 5th gear at about 3000 RPM and then report back
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I have no logs because I have a boost gauge (makes things easier)
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