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SVTPerformance's Chain of Restaurants
Tuning À la carte
Crank ISC duty cycle
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<blockquote data-quote="04torchred" data-source="post: 16613135" data-attributes="member: 23761"><p>From 3 logs I grabbed yesterday it appears to hold a nice start and idle following the start if I am remaining on idle source 9. When it switches to idle source 1 my rpms immediately fall and the idle starts to surge or stall.</p><p></p><p>When its in idle source 9 its holding around 15 degrees as its warming up and then between 18-21 degrees of timing as a range. As soon as it hits spark source 1 it drops to spark as low as 5 at times.</p><p></p><p>My open loop flag field appears to just stay on zero which seems wrong. The Open loop timer is giving me a value, one log had 63 seconds.</p><p></p><p>Wideband A/F on the cold start is showing mid 10's to mid 11's.</p><p></p><p>Seems like the spark is some of my issue with it not wanting to stay running.</p><p></p><p>In livelink it shows the spark source values, but does anyone know what tables those actually reference in PRP?</p><p></p><p>I don't know what Spark Source 9 is - Idle Feedback (is this your MBT table or Borderline?)</p><p>Spark Source 1 - Base (none of the values in my borderline table or MBT spark go this low at the load ranges I am showing at idle)</p><p></p><p>More info. My Throttle position absolute at idle is 169, at a coolant temp of 76*F its showing Idle air duty cycle at 0.60 and integrator is calling for varying amounts(0.05 up to 0.23)</p></blockquote><p></p>
[QUOTE="04torchred, post: 16613135, member: 23761"] From 3 logs I grabbed yesterday it appears to hold a nice start and idle following the start if I am remaining on idle source 9. When it switches to idle source 1 my rpms immediately fall and the idle starts to surge or stall. When its in idle source 9 its holding around 15 degrees as its warming up and then between 18-21 degrees of timing as a range. As soon as it hits spark source 1 it drops to spark as low as 5 at times. My open loop flag field appears to just stay on zero which seems wrong. The Open loop timer is giving me a value, one log had 63 seconds. Wideband A/F on the cold start is showing mid 10's to mid 11's. Seems like the spark is some of my issue with it not wanting to stay running. In livelink it shows the spark source values, but does anyone know what tables those actually reference in PRP? I don't know what Spark Source 9 is - Idle Feedback (is this your MBT table or Borderline?) Spark Source 1 - Base (none of the values in my borderline table or MBT spark go this low at the load ranges I am showing at idle) More info. My Throttle position absolute at idle is 169, at a coolant temp of 76*F its showing Idle air duty cycle at 0.60 and integrator is calling for varying amounts(0.05 up to 0.23) [/QUOTE]
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SVTPerformance's Chain of Restaurants
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Crank ISC duty cycle
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