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Old 06-23-2004, 10:26 PM   #1
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This may or may not be relevent to this board, but can anyone shed some light on this problem:

'93 TA speed density system with dual 02 sensors. ECM 1229378
When connecting the OTC scanner all I get is a "NO DATA"
I have connected the scanner to another '93 and it works fine.
I can jump A&B pins and get 12 three times.
I have back traced all the wires to the ALDL and to the ECM, everything checks out.
Any help would be appreciated.
TIA,
Don>>>

PS just trying to help a fellow F-body bud.
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Old 07-02-2004, 12:00 PM   #2
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Grumpy? anybody?
This is a speed density system just like ours except w/opti spark.
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Old 07-02-2004, 12:31 PM   #3
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ALDL pin "M" should be it.
Maybe your on "E" ????
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Old 07-02-2004, 12:35 PM   #4
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Quote:
Originally posted by Dyno Don
Grumpy? anybody?
This is a speed density system just like ours except w/opti spark.
Try swapping the PCM out of the car it would link to, into that one.
Might look at the ALDL connectors and see if they're a match.
Other then that, dunno....
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Old 07-02-2004, 09:05 PM   #5
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Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73

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Quote:
Originally posted by Grumpy
Try swapping the PCM out of the car it would link to, into that one.
Might look at the ALDL connectors and see if they're a match.
Other then that, dunno....
Did all that ....
Ok, thanks for trying.
Don>>>
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Old 07-02-2004, 09:05 PM
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