Thread: random stalling

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  1. #1 random stalling 
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    my car just started randomly dieing after i did the f-body upgrade so far just when i'm gently braking from a slow speed . It doesn't give any signs like shuddering & no check engine light is thrown. Any ideas?
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  2. #2 Re: random stalling 
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    forgot to add that it starts back up w/no problems
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  3. #3 Re: random stalling 
    GrandPrix Junkie
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    vacuum leak?
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  4. #4 Re: random stalling 
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    I was kinda thinking that, but it happend to me once friday and it was fine till today wouldn't a vacuum leak be more consistant? and hoe big of a vacuum leak does it take to stall a car? Could the idle control valve, or whatever its called, be the problem?
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  5. #5 Re: random stalling 
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    i knew a gp having this problem...i want to say it was the ignition switch or eic or something like that..forgot what it is called exactly...do a search i think it is some where on here...but the gp was somebody i knew a long time ago. and never found the problem...but i saw something on here recently
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  6. #6 Re: random stalling 
    GXP Level Member ryangtp89's Avatar
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    Well my car randomly does that in fact it did it yesturday, about once a month, it will start up but it will die, you have to give it gas or it will just automaticly die, and if i drive around alittle bit it slowly stays alive, it will idle really low but it wont die and as soon as tht happens all i do is shut it off and turn it back on and its fine its really weird, im guessing dirty maf. Aso every time i get in it to start it up i have to pump the gas a few times once it turns on or it will just die.
    SLP headers, Wizaird cai, zzp1.0pcm ,slp powerflo catback, 3.4mps, NGK TR55's, 180*, zzp stage 1 hv tb,tb spacer, tb heatshield, Triple Edge Performance High performance Tranny, flipped motor mounts, spring blockers, prj 10.4mm wires, Sloted rotors & Ceramic brake pads,Alternator Voltage Booster. zzp 1.9 rockers & 105# springs
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  7. #7 Re: random stalling 
    GrandPrix Junkie Sabrewings's Avatar
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    Ryan, yours sounds like a dirty/sticking IAC.
    2004 Impala LS - got some mods sold!!!
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  8. #8 Re: random stalling 
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    Most likely, i gotta find some time to get that fixed.
    SLP headers, Wizaird cai, zzp1.0pcm ,slp powerflo catback, 3.4mps, NGK TR55's, 180*, zzp stage 1 hv tb,tb spacer, tb heatshield, Triple Edge Performance High performance Tranny, flipped motor mounts, spring blockers, prj 10.4mm wires, Sloted rotors & Ceramic brake pads,Alternator Voltage Booster. zzp 1.9 rockers & 105# springs
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  9. #9 Re: random stalling 
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    Now where is the IAC located ? so i can check it and clean it if i need to.
    Last edited by ryangtp89; 05-12-2008 at 07:22 PM.
    SLP headers, Wizaird cai, zzp1.0pcm ,slp powerflo catback, 3.4mps, NGK TR55's, 180*, zzp stage 1 hv tb,tb spacer, tb heatshield, Triple Edge Performance High performance Tranny, flipped motor mounts, spring blockers, prj 10.4mm wires, Sloted rotors & Ceramic brake pads,Alternator Voltage Booster. zzp 1.9 rockers & 105# springs
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  10. #10 Re: random stalling 
    GrandPrix Junkie Sabrewings's Avatar
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    Quote Originally Posted by ryangtp89 View Post
    Now where is the IAC located ? so i can check it and clean it if i need to.
    It goes in on the side of the throttle body. Couple torx screws, I think.
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  11. #11 Re: random stalling 
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    Ok i know where it is, do i just wipe it down with a towl or something.
    SLP headers, Wizaird cai, zzp1.0pcm ,slp powerflo catback, 3.4mps, NGK TR55's, 180*, zzp stage 1 hv tb,tb spacer, tb heatshield, Triple Edge Performance High performance Tranny, flipped motor mounts, spring blockers, prj 10.4mm wires, Sloted rotors & Ceramic brake pads,Alternator Voltage Booster. zzp 1.9 rockers & 105# springs
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  12. #12 Re: random stalling 
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    Some throttle body cleaner and a paper towel. Take care not to move the pintle (meaning, don't push on it too hard). This is what it should look like clean:

    2004 Impala LS - got some mods sold!!!
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  13. #13 Re: random stalling 
    GTX Level Member MTXGTP's Avatar
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    next time it does it watch your tach and see what it does. let me kno cause if it goes crazy it could be a SLIGHT possability that you Crankshaft position sensor is going out.
    Justin Young, Kansas
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  14. #14 Re: random stalling 
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    Ok thanks for the pic, im gonna try something first, im just gonna unhook the maf and start it up and c if that will get rid of the starting problem then ill cleanthe iac.
    SLP headers, Wizaird cai, zzp1.0pcm ,slp powerflo catback, 3.4mps, NGK TR55's, 180*, zzp stage 1 hv tb,tb spacer, tb heatshield, Triple Edge Performance High performance Tranny, flipped motor mounts, spring blockers, prj 10.4mm wires, Sloted rotors & Ceramic brake pads,Alternator Voltage Booster. zzp 1.9 rockers & 105# springs
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  15. #15 Re: random stalling 
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    Quote Originally Posted by ryangtp89 View Post
    Ok thanks for the pic, im gonna try something first, im just gonna unhook the maf and start it up and c if that will get rid of the starting problem then ill cleanthe iac.
    Either way, chances are it needs cleaning. They dirty quickly. Mine used to sputter if I was on a hill at a stop light, give it gas a little then let off. Since cleaning it's smooth as silk.
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  16. #16 Re: random stalling 
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    my car idles a little ruff when i first crank it up. do you think that could be my problem too..and do i have to take it out to clean it?? cant just spray some carb cleaner into the throttle body??
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  17. #17 Re: random stalling 
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    Quote Originally Posted by krippled View Post
    my car just started randomly dieing after i did the f-body upgrade so far just when i'm gently braking from a slow speed . It doesn't give any signs like shuddering & no check engine light is thrown. Any ideas?
    Been having the same problem with my GP. Randomly shuts off like the ignition was cut off. Radio and gear indicator on instrument cluster is the only thing still on. But like you said, starts right back up with no prob. I've kinda ruled everything else out except the ignition switch. Hope to get it swapt out soon. If I do, I'll let you know my findings. Or if you get it done first, let me know. I know its going to be a long process for us, seeiing how it's not a constant thing. I'll add you to my friends list to keep in better contact with you. Maybe together and with everyone elses help, we can get this problem fixed.
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  18. #18 Re: random stalling 
    Donating Users BADAZGTP's Avatar
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    I forgot to mention that this all started after I replaced my coil packs. With new coil packs, could it affect a weak area of the ignition switch or something?
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  19. #19 Re: random stalling 
    GTX Level Member 02BlueGT's Avatar
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    ^^ you could have a bad one from the start

    I have a random stalling issue too, but I have a surging before the stall......
    2002 GT...CAI, Headers, Special Eddition two-tone leather interior added, HUD added, 12" Brake Upgrade, ZZP strut tower bars, gmpp sway bars, poly motor mounts, -6an braided SS fuel hoses , Hptuned, Headers, Top Swaped, 50lb inj, E85, 3.4
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  20. #20 Re: random stalling 
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    Quote Originally Posted by blowfishRus6 View Post
    my car idles a little ruff when i first crank it up. do you think that could be my problem too..and do i have to take it out to clean it?? cant just spray some carb cleaner into the throttle body??
    don't be so lazy just take it out and clean it. there's only 2 screws holding it. you do have to take it out and lightly wipe off the carbon build up. i don't think spray cleaner will get all the carbon off.
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