Well after I hit the tank with a hammer the pump came up to 45-50psi. I was able to find a fuel pump guess there on major backorder. Going to be installing the fuel pump in the next few days. I was concerned about the it being the fscm module.
Thank you to everyone!!
The fuse box under the hood as a label for a relay but no relay. I notices this a long time ago when i had issues with the automatic head lights. Not sure if this means anything but i think it was a government vehicle.
It will start, chug and then die. I have about 162000 on it. It was pretty constant and 10-15psi. I was able to hit the bottom of the fuel tank just before I had to go to work and it started a ran, wasn't able to get the fuel pressure checked at that time. I couldn't fine the fuel pump relay...
Hello,
My 2012 5.3 Tahoe made it down the block before dying. Now I have low fuel pressure about 15psi. Thinking I have a bad fuel pump. This there anything else I should check before I go replacing it?
Thanks
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