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99 grand am Starts Then Dies, But Will Eventually Stay Running
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Jhenriksen
User
Dec 26, 2011, 1:14 PM
Post #1 of 9
(3983 views)
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99 grand am Starts Then Dies, But Will Eventually Stay Running
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I have a 99 Pontiac Grand Am 3.4L 160000 miles. When i go to start it, it fires then dies,It will do this 3 or 4 times before I can keep it will stay running. And to get it to stay running I end up having to push the accelerator 1/4 to 1/2 throttle and hold the key in start position for a few seconds after it initially fires. After i get it to stay running it runs great.Any help would be great.
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 26, 2011, 1:22 PM
Post #2 of 9
(3976 views)
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Re: 99 grand am Starts Then Dies, But Will Eventually Stay Running
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Start out taking a fuel pressure reading when the problem is occurring and get the codes read as you were advised on the other site.
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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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Jhenriksen
User
Dec 26, 2011, 3:56 PM
Post #3 of 9
(3952 views)
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Re: 99 grand am Starts Then Dies, But Will Eventually Stay Running
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Will do. With the key on and engine not running what should the pressure be? I did notice that the pressure regulator is new. Not sure of the brand.
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Jhenriksen
User
Dec 26, 2011, 4:00 PM
Post #4 of 9
(3947 views)
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Re: 99 grand am Starts Then Dies, But Will Eventually Stay Running
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Something else i noticed is a clicking sound coming from the dash as it starting to die, and after I get it to stay running the traction control is off?????
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 26, 2011, 4:01 PM
Post #5 of 9
(3947 views)
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Re: 99 grand am Starts Then Dies, But Will Eventually Stay Running
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Remember, this has to be done while the problem is present. The engine has to be cranking to keep pump running.
With the ignition switch "ON" and the fuel pump "RUNNING", the fuel pressure indicated by the fuel pressure gage should be 284-325 kPa (41-47 psi).
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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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Jhenriksen
User
Dec 26, 2011, 4:05 PM
Post #6 of 9
(3944 views)
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Re: 99 grand am Starts Then Dies, But Will Eventually Stay Running
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OK thanks,
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Jhenriksen
User
Dec 31, 2011, 4:50 PM
Post #7 of 9
(3904 views)
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Re: 99 grand am Starts Then Dies, But Will Eventually Stay Running
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No codes, fuel pressure kinda dances from low to high 40s as i crank it over and its trying to start.
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Jhenriksen
User
Apr 13, 2012, 3:49 PM
Post #8 of 9
(3636 views)
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Re: 99 grand am Starts Then Dies, But Will Eventually Stay Running
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Well after messing with this thing for a few months I finally threw in the towel and took it to somebody. Faulty Ignition switch. Thanks everybody for your help.
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Hammer Time
Ultimate Carjunky
/ Moderator
Apr 13, 2012, 4:09 PM
Post #9 of 9
(3632 views)
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Re: 99 grand am Starts Then Dies, But Will Eventually Stay Running
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Ok, thread closed now.
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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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