Welcome to the Corvette 5th and 6th Generation Help site for DIYer's. We hope to provide up to date information, How To's, MOD ification help and ideas, New Product Information and Links to Corvette Resources on the Internet.
Checking Pressure at the Fuel Rail
CAUTION: Turn the Key to the ON position but do not start the vehicle. After 3 to 4 seconds turn the key to the OFF position. After the Fuel Pump has come on there should be a minimum of 45 PSI in the rails. Use appropriate CAUTION and wear SAFETY GOGGLES or SHIELD when performing the following Procedure !
Remove the LEFT (Driver Side) Fuel Rail Cover
Locate and remove the Schrader Valve Cover from the front of the Fuel Rail Assembly
After removing the cover place a rag below the Schrader Valve to catch the Fuel Spray !
Using a small screwdriver or other appropriate tool, depress the Schrader Valve and verify that fuel is present in the rail. If fuel is present your Fuel Pump is working. No fuel indicates a issue with the Fuel Pump, its Electrical Supply and/or Fuel Filter.
Troubleshooting
Check Fuse 13 (20 Amp) in the Underhood Fuse Box
Check Micro-relay 35 the easiest way to do this is to swap with Micro-Relay 34 or 36 as they are the same. Make sure you retain the same orientation when you make the swap.
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