C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1990 ECU 4.0 error

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Old 03-26-2018, 09:22 PM
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Swxxt
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Default 1990 ECU 4.0 error

I am working on
tuning tuning
my 1990 C4
manual manual
, I bought the APU1 and G1 adapter from Moates. I have pulled the stock bin from the car and i burned it to a new chip only changes I made was tuning out the EGR. After installing the G1 adapterand new chip i am getting SYS on the digital dash and when i bridge the bins i am getting C41 codes under 1.0 and 4.0 I am getting ERR. I do not get this error with the stock chip in normal position.The MEM cal is installed in the G1. I took the http://www.tunerpro.net/download/bindefs/GM/Super_8dm2.ecu and http://www.tunerpro.net/download/datastreams/GM/8D_90-91_Corvette.adxfrom the
tuner tuner
pro website. The only difference i can tell is I have a reman computer with
part part
number 16198216.

Any idea on what steps I may be missing to get this error?
Old 03-28-2018, 06:00 PM
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Swxxt
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Any ideas anyone?



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