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Fifth Generation Duramax Electronics/Tuners Discuss 2011+ LML Duramax engine electronic upgrades including chips, tuners, programmers, etc.

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Old 11-29-2013, 03:28 PM   #1 (permalink)
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IQA Flow rate numbers

Hope this is in a relevant section....

LML injector flow rate numbers (IQA) are etched on top of injectors I know, and are of 10 digits...

Had some trouble (with new E86 ECM, and new GPCM) getting vehicle to start.

Went through as much EFI as I could go, trying to read and programme injector data so that the ECM and GPCM both have the same information to get going.

No go on EFI - No data received on GPCM ($0281 error code)

Also have DTC P0268A- Injector Cal not programmed

So doing research to program the injector flow rates seems to need Tech 2 scan tool fully upto date (Mine was stolen a couple of years ago, and got on without it until now!!)

Got all injector numbers (1o digit numbers on top of each injector) and found someone in UK with fully upto date Tech 2 to hook it up and programme rates.

On scan tool we tried to input numbers, but the tool had 16 digit space for each injector and would not take data with 000000's at beginning or at the end of the IQA number.......

Am I missing six digits off of the IQA's, because I just don't know....

Sorry to go on, but I have so much info to describe more detail if needed, all help welcomed.....


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