Thread: Is my lt4 hpfp failing?
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Old 12-02-2022, 03:40 PM   #17
Katech_Mike

 
Drives: 2015 Camaro ZL1
Join Date: Oct 2020
Location: Clinton Twp, Michigan
Posts: 249
Quote:
Originally Posted by SATINSTEEL1LE View Post
less than 130* if I remember correctly. That might be LT4 max though.

See below.
Correct. 130 degrees is max. Likely it's maxing out the pump causing the drop in rail pressure.
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