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Old 08-12-2025, 07:48 PM   #14
gblaue
 
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Drives: 2017 Bright Yellow ZL1 6spd
Join Date: May 2010
Location: Central MA
Posts: 660
I replaced mine myself. That sucked ass. The check valve itself failed. The High pressure fuel rail would bleed down over night. My crank time on cold start was 8-10 seconds. I should have just let the dealership do the fuel line, but I already had the top end of the engine apart doing the injectors and regulator.
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2017 ZL1 Bright Yellow w/ black center stripe, 6 speed, CF gas door, PDR, Navi
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