Thread: 5.3 LS fuel pressure drops/ hard cold starts!
View Single Post
  #2  
Old 01-09-2016, 05:05 AM
NAPA 68 NAPA 68 is offline
Senior Member
  
Join Date: Oct 2010
Location: Presque Isle, WI
Posts: 308
Thanks: 159
Thanked 70 Times in 40 Posts
Default
It sounds like the check valve in the fuel pump is bad. You've got to replace the FP module.

Happy trails!

Tim
Reply With Quote