Thread: 2000 GTP starts but stalls please read!!

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  1. #1 2000 GTP starts but stalls please read!! 
    GT Level Member mikedinthecity's Avatar
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    my car recently started doing this weird thing, it will start immedietly, then stall....if i restart it will do the same thing. if i turn the key to start, it will start. if i keep the key turned it will stall and crank then fires up and stays running, no issues while driving, no engine light, i tried the maf no change, i tried the icm and it seemed to fix it for about two weeks. then problem returned. i dont want to keep throwing parts at this thing. i am wondering if its got anything to do with the crank sensor. any help is appriciated. also if i hold the gas it will start and run, but if i let go of the pedal it will stall. if i let go of the pedal and catch it b4 it stalls, then let it idle down it will stay running. also if i hold the gas and keep it idled up for about 45 seconds then it will stay running also....let me know any ideas, it really sucks.
    2000 Daytona 500 GTP. fender well intake K&N, 180 tstat, flipped dog bones, strut2strut brace, sd headers coated n wrapped, 3in dp, 3.25 pulley, pcm tune, led tails, angel eye halos w 100 watt h1s, p&p heads, p&p m90, yella terra alum roller rockers, head studs, 8mm wires, al104s, 2007 l26, 329s hd diff, alum sub frame
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  2. #2 Re: 2000 GTP starts but stalls please read!! 
    GTP Level Member JoshMcMadMac's Avatar
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    Try bypassing the fuel pump resistor first, but it is probably the CPS.
    2000 NavyBlueMetallic GTP Coupe
    HPTuners / Intercooler / Devil's Own Meth / 1.8 SLP Rockers / 3.1-3.3" / 180° / TB Shield / FWI / PLOG / Jimmy-C Downpipe / U-Bend Delete / Mark VIII Fan / Alt. rewire / FP rewire / F-Body Brakes / Buick Strut Braces / SLP Tips / 20% Tint
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  3. #3 Re: 2000 GTP starts but stalls please read!! 
    Your ClubGP Liason copgtp's Avatar
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    I doubt it is a fuel pump problem..... I'd put money on your crank position sensor. Does the tach on the gauge panel go crazy by any chance??? It's also a symptom of a bad CPS.
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  4. #4 Re: 2000 GTP starts but stalls please read!! 
    GT Level Member mikedinthecity's Avatar
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    the tach actually works fine. i trired to bend the tab n the fuel pump relay and car still does it. it basically does it everytime now. i believe it to be the cps, thats where im going next, i will post my results. thanks for all the input fellas! i learned how to deal with the problem tho lol, never shut it off. hehe
    2000 Daytona 500 GTP. fender well intake K&N, 180 tstat, flipped dog bones, strut2strut brace, sd headers coated n wrapped, 3in dp, 3.25 pulley, pcm tune, led tails, angel eye halos w 100 watt h1s, p&p heads, p&p m90, yella terra alum roller rockers, head studs, 8mm wires, al104s, 2007 l26, 329s hd diff, alum sub frame
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  5. #5 Re: 2000 GTP starts but stalls please read!! 
    GTP Level Member JoshMcMadMac's Avatar
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    Quote Originally Posted by mikedinthecity View Post
    the tach actually works fine. i trired to bend the tab n the fuel pump relay and car still does it. it basically does it everytime now. i believe it to be the cps, thats where im going next, i will post my results. thanks for all the input fellas! i learned how to deal with the problem tho lol, never shut it off. hehe
    You may want to consider replacing the cam sensor while you are in there.
    2000 NavyBlueMetallic GTP Coupe
    HPTuners / Intercooler / Devil's Own Meth / 1.8 SLP Rockers / 3.1-3.3" / 180° / TB Shield / FWI / PLOG / Jimmy-C Downpipe / U-Bend Delete / Mark VIII Fan / Alt. rewire / FP rewire / F-Body Brakes / Buick Strut Braces / SLP Tips / 20% Tint
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