The 7396 BJDR is what you need to identify the prom and calibration. the prom "chip" is a GM OEM part.
The 7396 BJDR is what you need to identify the prom and calibration. the prom "chip" is a GM OEM part.
16197427 PCM was used in 1994 - 1995 C/K Truck, Van, S-10, 4.3L, 5.7L & 7.4L
Search your junk yard or ebay for that PCM, you'll be good. From the factory they have a label on them, if they are OEM.
The BJDR memcal is for 94 Chevy 5.7 Auto.
This page has info on that PCM, has a list of Malfunction Error Codes, if it's showing a check engine light.
http://www.gearhead-efi.com/Fuel-Inj...Information-0D
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