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Waverly Lorello
Waverly Lorello, ASE Certified Technician
Category: Chevy
Satisfied Customers: 25
Experience:  ASE Certified Master Automotive Technician L1, L2
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Chevrolet Blazer: I am doing an engine swap on a 4.3 using

Customer Question

I am doing an engine swap on a 4.3 using the wire harness and computer from a 2000 blazer and would like to eliminate the bcm but the passlock keeps disableing the injectors. Do you know of a fix? Al
Submitted: 10 months ago.
Category: Chevy
Expert:  Daniel Wilson replied 10 months ago.
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Expert:  Waverly Lorello replied 10 months ago.
HiYes you will either have to use the column with the passlock sensor or The pcm needs to be reprogrammed with a aftermarket tune such as hptuner which gives you the option to bypass the passlock I can assist you in the column part of the install if needed Thanks

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