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Old 01-31-2019, 03:11 PM   #1
SpartanB482
 
Drives: 2011 Camaro SS LS3
Join Date: Jul 2018
Location: Kentucky
Posts: 10
Hard to start 94 Z28

My sister has a 94 Z28, and it has a real problem with dying 2 or 3 times before it starts. It has a brand new fuel pump, so Im thinking its got maybe a weak injector or bad regulator? Has anyone else had a problem like this? You almost have to treat it like an old small block with a carb on a cold day and feather it until it takes off lol



Thanks
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Old 01-31-2019, 04:02 PM   #2
Jeff9962
 
Drives: 2014 1SS 6M
Join Date: Dec 2018
Location: Orlando, Fl
Posts: 18
Quick thing to check is if the system is bleeding down. On your cold start, cycle the ignition switch on and leave it for a few seconds. Cycle it off then try to fire it up. If the problem goes away then the system is bleeding down due to a leaky injector(s) or fuel pressure regulator.

You really need to get a fuel pressure gauge on it though to see what's happening through the whole cycle.
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