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1963korvette · 12-14-2009

I need some help from the brain trust

I scanned the motor last night and got no DTC's, almost everything looked normal when compared to our "reference" page in section 6E with the data snap shot.

Here are some of the scan data in closed loop @ idle that I thought was not too great, and by the book it appears not to be too good either when I looked it up.

Block Learn enable = YES. book says it should be NO.

BLM cell = 16 ???? book says it should be 0 - 1.

Left BLM - 127 to 128
Right BLM - 136

Left Integrator counts were from 127 thru 133
Right Integrator counts were 126 thru 131

MAP reading in volts was 1.5 volts which is out of the book range of 6v to 2v.

Oh yea, his tach is about 1k rpms fast, how do you fix that?

12-14-2009	#1
1963korvette Join Date: Jul 2009 Location: Washington Township NJ Posts: 49	NEED SOME INSIGHT I need some help from the brain trust I scanned the motor last night and got no DTC's, almost everything looked normal when compared to our "reference" page in section 6E with the data snap shot. Here are some of the scan data in closed loop @ idle that I thought was not too great, and by the book it appears not to be too good either when I looked it up. Block Learn enable = YES. book says it should be NO. BLM cell = 16 ???? book says it should be 0 - 1. Left BLM - 127 to 128 Right BLM - 136 Left Integrator counts were from 127 thru 133 Right Integrator counts were 126 thru 131 MAP reading in volts was 1.5 volts which is out of the book range of 6v to 2v. Oh yea, his tach is about 1k rpms fast, how do you fix that?