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98 Buick Park Ave sputtering
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HeavyBoat88
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Jul 19, 2011, 12:28 PM
Post #1 of 4
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98 Buick Park Ave sputtering
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My niece has a 98 Buick Park Ave. She says at low rpm it sputters. Even at slow speed with cruise on and mainly at low speeds. I don't fool with cars like I used to and I haven't even looked at her car but my first thought was vapor lock or clogged injectors. Any thoughts would be helpful. Thanks
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Hammer Time
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Jul 19, 2011, 4:19 PM
Post #2 of 4
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Re: 98 Buick Park Ave sputtering
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Vapor lock is not possible and these cars. I would start out by checking the computer for stored codes. You may also need to test your fuel pressure while driving to determine if it shows any changes during the failure. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
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Jul 19, 2011, 4:31 PM
Post #3 of 4
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Re: 98 Buick Park Ave sputtering
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Fuel pressure should be 48-55 PSI and hold when the pump turns off. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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zmame
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Jul 19, 2011, 6:54 PM
Post #4 of 4
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Re: 98 Buick Park Ave sputtering
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Also wouldn't hurt to pull the wires off at the coil and check for corrosion. If there is replace the wire, plugs and affected coils. If engine light is one pull the codes and post them here.
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