Thread: does a e85/93 tune require fuel pump module tune?
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Old 03-22-2019, 03:56 PM   #7
JANNETTYRACING

 
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Quote:
Originally Posted by Nicul15 View Post
Does adjusting the fuel pump throw off trims and PE thus needed to readjust vve?
Only if your injectors calibration does not match the injectors.

In your injector cal you will see flow vs pressure
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