Pressure guage

John B

Premier Users
Hi guys. I need to check the fuel pressure on my C4 Corvette. There is a shraeder valve on one of the fuel rails. I need the loan of a suitable gauge if anyone has one. If not, I will see if my foot pump will connect to give me a rough guide.Regards John.
 
I had a shrader valve on the trans-am fuel rails. I thought the same as you by connecting a foot pump, however it was the wrong size.

I did buy a pressure guage to check my oil pressure issues(came with 13 connectors and none fitted), just been searching for it, but cannot find it, not in the cars, garage, shed, spare room, kitchen, under the stairs.
 
Found it, it was in the loft. However none of the connectors will push in the pin of the shrader valve :(, so no good unfortunately.
 
can you get your fuel pressure from the ecu ?
 
I don't think even on a C5 the fuel pressure can be read over the ECU. You can read oil pressure on a C5, but not on a Trans-Am or Camaro of the same age. I think there would be even less available to read on a C4.
 
it was just a thought. the msd atomic system i am using will and it looks a lot simpler then a oe system
 
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