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Ron Z.
Ron Z., - Buick Tech -
Category: Buick
Satisfied Customers: 18697
Experience:  18+yrs experience. State Inspector and Buick Diagnostics
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Wanting check power voltage at fuel pump connecter on my 01

Customer Question

wanting check power voltage at fuel pump connecter on my 01 regal
JA: Have you ever replaced the fuel pump, or is this the original?
Customer: original as far as i know
JA: Are you fixing your Regal yourself? What have you tried so far?
Customer: yes, i have very low fuel pressure. but car ran last year.
JA: Anything else you want the mechanic to know before I connect you?
Customer: i dont think so
Submitted: 7 months ago.
Category: Buick
Expert:  Ron Z. replied 7 months ago.

Hi! Welcome to JustAnswer. Thanks for coming! I'm Ron and I'll be working with you on your question today. Please give me a moment to review your question and prepare your answer.

Expert:  Ron Z. replied 7 months ago.

Thanks for holding...

At the fuel pump connector- with key on, engine off, take a voltage reading across the Gray ( + ) and Black ( - ) wires. There should be battery voltage. If voltage is good, a fuel pressure test should be done. Install the pressure gauge. With key on, engine off, fuel pressure should read between 52-59 psi. If pressure is low, check the fuel filter for clogs. If good, the fuel pump will need to be replaced. Please remember to leave a rating using the 'stars' or click 'Accept'. A 5-star rating is much appreciated! Rating or accepting my answer does not cost you extra.

Expert:  Ron Z. replied 7 months ago.

Hi! I noticed this Q&A was still open, so I wanted to check in and see if there was anything else I could do for you on this issue? Any other questions you had? Was there something you wanted addressed that I may have missed in my answer? Did you find my answer helpful?

Expert:  Ron Z. replied 7 months ago.

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