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10-17-2010, 07:22 PM
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#1 | |
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AF Newbie
Join Date: Oct 2010
Location: Bloomington, Indiana
Posts: 2
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99 Denali No Start Issue
vehicle started then fuel gauge went over full and vehicle shut off. Fuel pump not running. Have replaced the fuel relay and fuel pump. Still fuel pump will not run. does anyone have any suggestions?
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10-17-2010, 08:12 PM
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#2 | |
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A990 racer
 Join Date: Mar 2002
Location: Chestertown, New York
Posts: 17,051
Thanks: 26
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Re: 99 Denali No Start Issue
Got power to the pump, good grounds all the fuses ok?
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10-18-2010, 08:27 AM
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#3 | |
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AF Newbie
Thread starter
Join Date: Oct 2010
Location: Bloomington, Indiana
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Re: 99 Denali No Start Issue
No power to pump. all fuses ok, checked grounds on harness. very weak power to relay about 6 volts at 1 pole.
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10-18-2010, 08:48 AM
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#4 | |
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A990 racer
Join Date: Mar 2002
Location: Chestertown, New York
Posts: 17,051
Thanks: 26
Thanked 383 Times in 374 Posts
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Re: 99 Denali No Start Issue
Get a wiring diagram and track down the circuit, make sure the connector at the tank is not burnt. Remember when turning the key you will only get 12v during the 3 sec prime event till it starts.
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