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Pontiac Repair/88 pontiac sunbird
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Question
today i was driving and i heard a whining from the back of my car. when i punch the gas the engine loses power and slows down instead of speeding up. upon further investigation, when i turn the key to the on position, you can hear the fuel pump charge, but it sounds horrible. so i went and changed the fuel filter to see if it would help. nope. still doing the same thing. is there something i can do to check the fuel pump other than replacing it? can i clear it up by putting something in the gas? It's in the gas tank so it's going to be a pain in the ass to fix. is there an easy way to do it? please help.
Hey Travis:
No ther is not much you can do If it's making noise it's pretty much time to replace it. The damage is already done. somewhere along the line the fuel filter was plugged up ans stressed the pump to the point that it' making noise and more then likley slowing downand or the impeller in the pump is broken and not able to deliver the correct amount of fuel the engine needs to run at higher speeds. The faster the engine runs the more volume it needs and I'm sure the pump is lacking volume. Only use a AC Delco pump NOTHING else also get a new fuel strainer as well also know and a "sock".
Good luck :0
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Todd Puccio
Expertise
General auto repair,electrical issues,driveability issues,anti-lock brakes,SIR systems,HVAC,engine performance,Gm specific. I have worked at my current dealership since the 1990 model year anything much older than that I have limited exposure to. I do not have very much transmission experience so those question you may want to ask of another expert. When you send me a question let me know the exact make/model/engine and year for the car or suv you have it makes it easier to answer the questions that way. If your happy with the answer I gave you please feel free to Donate. This is a free service to you and I am not compensated at all by this web site. I have 22 years of experience to share with you and my knowledge wasn't free to me. I had to pay for my education.
Experience
Experience in the area:I have been employed by the same Gm dealer for 18 years and and a ASE master technician. I work at a Pontiac and GMC truck store. Served a a lead technician when dealership was on a team system.
I just recently moved to a Buick,Hummer,Saab Store when my franchise was purchased by this dealership.
Organizations: ASE master technician
Education/Credentials
Education/Credentials:High school diploma,2 year vocational school degree
2 year college degree. Associates degree in applied sciences (auto technology)Awards and Honors: GMC master technician
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