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P59 or equivalent PCM in 99 fbody? Looking for 3 bar and flex fuel capability

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P59 or equivalent PCM in 99 fbody? Looking for 3 bar and flex fuel capability

 
Old 05-12-2019, 02:39 PM
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Default P59 or equivalent PCM in 99 fbody? Looking for 3 bar and flex fuel capability

Ive seen a bunch of posts but i guess not what im looking for, obviously its been done but what exactly needs to be done to convert from a 0411pcm to P59 or equivalent PCM in 99 fbody? Looking for 3 bar and flex fuel capability
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Old 05-18-2019, 12:06 PM
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There are several pins that should be moved and some grounds added. The O2 sensors are different if you want to get technical. I think most guys just ignore or turn off the codes though.
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Old 05-19-2019, 09:41 PM
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Originally Posted by rpturbo View Post
There are several pins that should be moved and some grounds added. The O2 sensors are different if you want to get technical. I think most guys just ignore or turn off the codes though.
Is their a write up? That was my whole point of the post, trying to figure that out
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