View Full Version : Help my spark advance is too high
Big Block
April 25th, 2008, 06:36 AM
I don't understand why the timing is so high, I'm seeing 41* @ wot :throw:
This is the second engine I've fried from this :damnit1: I'm running COS5 on a '99 Camaro with an LS2.
:help:
dc_justin
April 25th, 2008, 06:57 AM
Do you mind posting up the offending tune?
Big Block
April 25th, 2008, 07:09 AM
Here it is. Try to take it easy on me I'm a newbie. Its a semi-cl sd tune.
dc_justin
April 25th, 2008, 07:34 AM
Table A0010 is quite possibly the offender.
Set A0015 = 1
A0016 = 0
A0010 = 0
Give it a try.
joecar
April 25th, 2008, 07:39 AM
Also do this: if not mentioned by Justin, set these tables to in-range values:
{A0001}
{A0002}
{A0017}
{A0018}
{A0009}
{A0015}
{A0016}
{A0010}
{A0011}
{A0012}
joecar
April 25th, 2008, 07:48 AM
You also need to get your pid selection down a little so that no more than 24 channels are used... otherwise your resolution will be 0.2s instead of 0.1s.
Edit: this is important if you're using log data to directly modify any tables.
Big Block
April 25th, 2008, 03:48 PM
I changed those tables and logged data looks ok now. What is it that caused my ignition advance to randomly command too much timing?
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