CHEVY WILL NOT START NO FUEL AT FUEL RAIL, FU

2000 Chevrolet Suburban

Tiny

Lori McGarry

May, 27, 2008 AT 9:43 PM

Engine Performance problem
2000 Chevy Suburban V8 Four Wheel Drive Automatic 160000 miles

changed fuel pump and filter
replaced old style sender unit as per recall
to new style I have checked fuel pump relay
and all fuses are good

FOUND 51579 RELATED QUESTIONS

3 Answers

Tiny

rasmataz

May, 28, 2008 AT 6:56 AM

Check the fuel pressure and comeback with the readings-fuel pump might not be producing fuel pressure that will cause the fuel rail not to have fuel-

Tiny

Lori McGarry

May, 31, 2008 AT 9:34 AM

Good morning
thank you for your help.
Yes we checked the fuel press, nothing at the
schrader valve. I now dropped the tank again
and checked voltage at the connectors, pump
and sender unit both have 0 volts. Removed the top
half of the fuel/relay box and checked connections
and for signs of coarosion all look good. I did see
next to the fuel pump relay a small recpt marked
Prime. Will the aid in trouble shooting. Next
I will pull the relay and run batt voltage through
the grey wire and check voltage at the pump
connector so I can rule out a damaged or burned
wire. I have questions re: the security system
is it possible that I am in some type of anti theft mode dissabling the fuel pump.
Thank you again for your help.
If you have any idea what I should check next
please reply
thank you Lori

Tiny

rasmataz

May, 31, 2008 AT 7:36 PM

I will pull the relay and run batt voltage through
the grey wire and check voltage at the pump
connector so I can rule out a damaged or burned
wire. When you did this -did the fuel pump turn On?

Could be the ATD device

Have you check the ECM B fuse 20amp-see below


http://www.2carpros.com/forum/automotive_pictures/12900_relay_9.jpg

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