new fuel pump fail issues in 1991 vette

Grumpy

The Grumpy Grease Monkey mechanical engineer.
Staff member
BlackRat said:
After changing the fuel pump I drove the car for 30 minutes and it ran great. I can home turned it off and cranked it a couple more times with no problem.
I then checked the codes and came up with H32 , 34, 36 and 38 in the #1 module. And an err in #7. I went in to check code meanings, came back out and it won't start. I am getting a gas smell but I does try to fire.

Some other details:
-I have spark
-Pulled line off the fuel regulator and no fuel came out
-New fuel filter
-New fuel pump
-New cap and rotor
-New ignition module
-New coil

What am I missing?
Thanks
Wade



logic says if the car ran with the new fuel pump installed ,
and you can currently hear the fuel pump run when the ignitions turned on, yet you currently have no fuel pressure at the fuel rail
tpishrader.jpg


shrader valve , then the pressurized line between the new pump and the fuel rail is either plugged or most likely the connection between the tank fuel pump and the fuel lines popped off in the tank

ap010cv.jpg


http://garage.grumpysperformance.co...-system-trouble-shooting-flow-chart-info.596/

http://garage.grumpysperformance.com/index.php?threads/replacing-a-c-4-fuel-pump.33/
 
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