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car will crank but will not stay running
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robertd
User
Oct 28, 2010, 12:41 PM
Post #1 of 11
(2027 views)
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car will crank but will not stay running
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i have a 99 grand prix gtp 3.8l supercharged that will turn over and start then immediatly dies. i have already replaced fuel pump, battery, plugs and wires. fuel pump is priming and there is spark from the coils to the wires. the car had sat up for over a year and just recently had been running[drove for two days and now will not start.] any idea which way to go, oh yeah the only lite on the dash once it dies is the battery lite but power seem to be fine all lights working . thanks for your time. robd
(This post was edited by robertd on Oct 28, 2010, 12:46 PM)
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chickenhouse
Enthusiast
Oct 28, 2010, 12:46 PM
Post #2 of 11
(2018 views)
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Re: car will crank but will not stay running
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I'm thinking security system on this but other techs are more knowledable on this than I.
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robertd
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Oct 28, 2010, 12:50 PM
Post #3 of 11
(2016 views)
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Re: car will crank but will not stay running
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the key will also sometimes lock down in the ignition and you can not remove it. then you will try it again and it will release it. this happens every so often but not always.
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 28, 2010, 1:11 PM
Post #4 of 11
(2008 views)
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Re: car will crank but will not stay running
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Is the security light on or flashing when you try to start it?
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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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robertd
User
Oct 28, 2010, 1:12 PM
Post #5 of 11
(2004 views)
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Re: car will crank but will not stay running
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no. just battery lite.
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 28, 2010, 1:16 PM
Post #6 of 11
(1999 views)
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Re: car will crank but will not stay running
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Then you need to take a fuel pressure reading. I would double check that security light because it sounds more like that.
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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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robertd
User
Oct 28, 2010, 1:19 PM
Post #7 of 11
(1993 views)
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Re: car will crank but will not stay running
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could you walk me through the steps of taking a fuel pressure reading?
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robertd
User
Oct 28, 2010, 1:28 PM
Post #8 of 11
(1992 views)
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Re: car will crank but will not stay running
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if it ends up being security problem what is the fix for that issue?
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 28, 2010, 3:10 PM
Post #9 of 11
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Re: car will crank but will not stay running
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I'm not going to waste a bunch of time trying to explain how to fix a bunch of "just in case", non existent problems. Find out what the real problem is.
Get a fuel pressure gauge, screw it onto the test port on the fuel rail, crank the engine and read the pressure.,
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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.
(This post was edited by Hammer Time on Oct 28, 2010, 3:11 PM)
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robertd
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Oct 28, 2010, 3:56 PM
Post #10 of 11
(1980 views)
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Re: car will crank but will not stay running
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any idea what the gauge should read
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 28, 2010, 3:58 PM
Post #11 of 11
(1977 views)
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Re: car will crank but will not stay running
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Key On Engine Off
48-55 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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