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Newb question: fuel pump test connector location/ pic


PJGross
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Galant VR-4 org Post #: 1246638 posted 07/20/19 06:38 PM     Remind Me!  Send Private Message   Edit Post      
Well, my GVR 4 is nearly ready to fire.
Oil primed, etc.
Drained tank, filled with 5 gal premium.

Figured I would try firing on old gas in line: nope.

I disconnected the AN fitting at fuel rail and it is dry.
I cranked a few times and nothing.
I will swap the fuel filter but wanted to make sure the pump is actually running first?

Can someone explain which is the test plug or post a pic, please?
Thanks,
PJ



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Posts: 1529 | From: Lake Orion, MI | Member Since: 12/05/02 | IP: (2601:401:4380:74) | Report this post to a Moderator

PJGross
both buccal and lingual
490/1000


Galant VR-4 org Post #: 1246639 posted 07/20/19 06:56 PM     Remind Me!  Send Private Message   Edit Post      
Never mind. Hit it with power at the tank harness and nothing. I have an extra pump so I will swap



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transparentdsm
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Galant VR-4 org Post #: 1246640 posted 07/20/19 06:58 PM     Remind Me!  Send Private Message   Edit Post      
It's on the fire wall by/behind the brake fluid res., I don't /can't get a picture as im not near a vr4 right now.

When you try to start the car do you hear the MPI click? It's a large gold box under the glove box by your ECU, it controls the fuel pump activation.



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PJGross
both buccal and lingual
490/1000


Galant VR-4 org Post #: 1246642 posted 07/20/19 07:53 PM     Remind Me!  Send Private Message   Edit Post      
I will go listen again. Been so long I forgot what that is. (EDIT: Yes, it clicks just after the starter engages. I think that's right.)

However, with the harness unclipped, I'm pretty sure 12V + to black and white and negative to black is whats necessary to run the pump, and the pump is locked up.

I have a Walbro CSS341 NIB sitting here so might as well upgrade from the 190 that was in it.

I had to order a new filter sock though because mine was MIA.

I loosened all the little screws carefully after lots of PB Blaster. However, the main fuel line fitting wont budge.

My neighbor has a MAP gas can so will hit it with that tomorrow.... but not really happy hitting a fitting connected to a gas tank with heat.

Any other suggestions?

Thanks,
PJ



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Edited by PJGross (07/20/19 07:57 PM)

Posts: 1529 | From: Lake Orion, MI | Member Since: 12/05/02 | IP: (2601:401:4380:74) | Report this post to a Moderator

transparentdsm
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Galant VR-4 org Post #: 1246643 posted 07/20/19 10:46 PM     Remind Me!  Send Private Message   Edit Post      
I do mine with vise grips when they won't budge using the 14mm and 19mm, a pair on each fitting.



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PJGross
both buccal and lingual
490/1000


Galant VR-4 org Post #: 1246644 posted 07/20/19 11:38 PM     Remind Me!  Send Private Message   Edit Post      
I had vice grips on one, I will crank down on both of them and loosen without heat. I will give the pbblaster some more time too



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transparentdsm
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Galant VR-4 org Post #: 1246645 posted 07/21/19 12:24 AM     Remind Me!  Send Private Message   Edit Post      
I let pb blast soak for 24 hours while hitting it every 4-6.



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PJGross
both buccal and lingual
490/1000


Galant VR-4 org Post #: 1246650 posted 07/21/19 04:46 PM     Remind Me!  Send Private Message   Edit Post      
I put my 14mm flare on, vice grips over it to keep it from spinning, then 3 ft long cheater bars on each side. A little tweak and it was free. Thanks for the input!

Now, do I need to get a new gasket for the fuel pump assembly since it hasn't been apart in 20 years?

-PJ



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Posts: 1529 | From: Lake Orion, MI | Member Since: 12/05/02 | IP: (2601:401:4380:74) | Report this post to a Moderator

PJGross
both buccal and lingual
490/1000


Galant VR-4 org Post #: 1246651 posted 07/21/19 05:06 PM     Remind Me!  Send Private Message   Edit Post   
Never mind, ordered new gasket for piece of mind. With my luck it would have never gone back on correctly and I'd end up waiting on a new one anyway....

-PJ



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Posts: 1529 | From: Lake Orion, MI | Member Since: 12/05/02 | IP: (2601:401:4380:74) | Report this post to a Moderator


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