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Changed fuel pump car runs on starting fluid new pump is…

Customer Question
Changed fuel pump car...

Changed fuel pump car runs on starting fluid new pump is working wont run

Mechanic's Assistant: Have you ever replaced the fuel pump, or is this the original?

Yes

Mechanic's Assistant: What is the model/year of your Mercury?

1999 5.4 mounteneer

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

Changed pump drained tank removed and checked all fuses and relays had key reprogramed

Submitted: 10 months ago.Category: Mercury
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Answered in 1 minute by:
9/27/2017
Mercury Mechanic: Amedee, Mercury Technician replied 10 months ago
Amedee
Amedee, Mercury Technician
Category: Mercury
Satisfied Customers: 28,313
Experience: ASE certified Technician advanced level specialist. Wisconsin certified emissions state inspector
Verified

Hello and welcome!

My name isCustomerand I can assist you with your question.

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Mercury Mechanic: Amedee, Mercury Technician replied 10 months ago

I am very sorry your having this issue with your vehicle.

I will try my best to answer all of your questions.

However, before we get started, please let me mention a few things.

1. If at any point you would like to speak on the phone, please feel free to request a phone call on your end and I can call you right away.

2. If you dont understand any technical terms or anything that I mention (component tests or theory or operation), please let me know and I will provide you with a more in debt explanation or answer.

3. Please understand that I am here to help.

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Mercury Mechanic: Amedee, Mercury Technician replied 10 months ago

Are you saying that the new pump does not work or it does work?

What is the fuel pressure at when cranking?

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Chris (aka- Moose)

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