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Old 09-03-2014, 06:39 AM   #1
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Fuel Pump 1999 9-3 Conv

Hi all.

Been reading about Crank no start condition for my daughters 9-3 Conv and the troubleshooting steps have led me to the belief that the fuel pump is to blame.

Cranks but no catching. Shot some starting ether in the air intake and it fires and runs a second or two then dies.

I pulled the rear seat out to bang on the area above the fuel pump but when I did her rear seat area looks completely different than any of the pictures I have seen previously.

I attached a pic but it did not upload so I will have to shrink its size and retry.

Are there any known differences in the 9-3 convt that prevent me from replacing the fuel pump by cutting the access door method?

Thanks,
Gary
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Old 09-03-2014, 11:13 AM   #2
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Are you getting 12v to the pump? Can you apply 12v to the pump and does it run? Did you do the CPS test (tach boucing)? Does it make any noise when you turn the key on?

I've cut open a couple of 5 doors, not sure that the vert is different.
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Old 09-03-2014, 12:41 PM   #3
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The tach bounced once was flat then bounced again a few seconds later. It did not move so much as bounce.

Just got the rear seat out this morning before going to work so have not tested voltage at the pump yet what pins should I be checking voltage at?

Also there are supposed to be 2 fuses you can jumper in the fuse panel to bypass the fuel pump rely to test directly the pump working or not. Anyone know those fuses? I have also read you can remove fuse 23 for about 10 seconds and then put it back in to force the pump to run to pressurize the system when you turn the car back on.

When i turn the key on to run not start position I do not hear anything.
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Old 09-03-2014, 12:50 PM   #4
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Shot of back seat area resized to fit website.
Attached Images
File Type: jpg tank1.jpg (214.3 KB, 5 views)
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Old 09-03-2014, 06:05 PM   #5
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There should be 4 pins on the connection to the fuel pump, don't recall which ones are the fuel pump and which are the sender. Search for the wiring diagrams for the 9-3, it will also answer pin is the right one.

There should be a flexible plastic cover over the pump, you'll see where you need to cut to get it out, if it comes to that.
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