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1998 buick park avenue 129000 miles. Chugs and hesitates…

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1998 buick park avenue 129000...
1998 buick park avenue 129000 miles. Chugs and hesitates going uphill. Started two days ago. Acceleration on the level no problem. Gas mileage stable at 27.5 mpg. No check engine light. Can usually accelerate hard a push through it. Haven't tried anything yet. But thought about trying fuel injector cleaning additive and having fuel filter changed.
Submitted: 3 months ago.Category: Buick
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Answered in 1 minute by:
4/2/2018
Buick Mechanic: Gary, Buick Technician replied 3 months ago
Gary
Gary, Buick Technician
Category: Buick
Satisfied Customers: 18,017
Experience: 15 years master GM tech and mater ASE tech
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Welcome! My name is ***** ***** I will do my best to assist you with this problem.

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Buick Mechanic: Gary, Buick Technician replied 3 months ago

how many miles on it ?

how old are the spark plugs ans plug wires ?

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Customer reply replied 3 months ago
129,000 miles. I bought it last July and I don' t know how old the spark plugs and wires are. I have not had them changed.
Buick Mechanic: Gary, Buick Technician replied 3 months ago

usually this issue is a restricted old fuel filter or a bad spark plug or plug wires

i would change the fuel filter and if it still acts up replacing the spark plugs and wires should fix this issue

you can always get me back through here even after you rate me

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Buick Mechanic: Gary, Buick Technician replied 3 months ago

you can always get me back through here even after you rate me

please do not forget to rate me here at Justanswer

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