2000 Chevy Suburban will not start no fuel at fuel rail, fu

Tiny
LORI MCGARRY
  • MEMBER
  • 2000 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 160,000 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
Do you
have the same problem?
Yes
No
Tuesday, May 27th, 2008 AT 9:43 PM

3 Replies

Tiny
RASMATAZ
  • MEMBER
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-
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Wednesday, May 28th, 2008 AT 6:56 AM
Tiny
LORI MCGARRY
  • MEMBER
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
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Saturday, May 31st, 2008 AT 9:34 AM
Tiny
RASMATAZ
  • MEMBER
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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Saturday, May 31st, 2008 AT 7:36 PM

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