Thread: starts, stalls, starts again and runs fine?

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  1. #1 starts, stalls, starts again and runs fine? 
    tom5170
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    Default 08-17-2017
    This issue has persisted since I've owned the car and it's intermittent. The car will sometimes start and run just fine the first time. Other times it will start, rpms will hop up and down a split second and smooth out, and sometimes it will just flat out start, then stall, then start up and run.

    My crank sensor died so YAY I thought it was that - nope. MAF is brand new. FPR is new. Plugs, wires, fuel filter - all new. Cleaned IAC and TB.

    So what could it be? Ignition coil? fuel pump check valve? fuel injectors? Car runs and shifts just fine though. Lots of power.
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  2. #2 Re: starts, stalls, starts again and runs fine? 
    BigNelson76
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    Default 08-17-2017
    Kinda sounds like goofy fuel pump... but if you have no powerloss...

    Or even loose connections somewhere
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  3. #3 Re: starts, stalls, starts again and runs fine? 
    cheatah faheatah
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    Default 08-19-2017
    Scotty just experienced a semi-melted fuse as the root of start/stall & no-start issues.
    For the record : I am NOT a naked meth-head who shoves rocks up my butt.
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  4. #4 Re: starts, stalls, starts again and runs fine? 
    Scottydoggs
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    Default 08-19-2017
    Quote Originally Posted by cheatah faheatah View Post
    Scotty just experienced a semi-melted fuse as the root of start/stall & no-start issues.
    it started and stalled last week, but came back to life. fuse melted down full today i guess.

    it was surging on cold start up during the very short high idle this time of year on a cold start. that seems to have stopped too.

    you can also try the high speed bypass trick on the relay.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #5 Re: starts, stalls, starts again and runs fine? 
    Prd2010
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    Default 09-09-2017
    I have a riviera with a very slight leak in the gas line. If it sits longer than a half hour starts and runs rough, stalls. If i prime it twice, with key, starts right up. Just a suggestion. Im fixing the riviera by swapping the l67 into a better car. Haha
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  6. #6 Re: starts, stalls, starts again and runs fine? 
    tom5170
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    Default 09-11-2017
    nope dont have a gas leak any where lol
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  7. #7 Re: starts, stalls, starts again and runs fine? 
    Gregorius
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    Default 09-11-2017
    IAC. I saw that you said you cleaned it, but I've changed a few of those.
    Start/stall on a 3800, or bad initial idle, it's first place I am looking. 18 Canadian Pesos <lol AvE> new last time I bought one. Or if budget issues demand, JY part for a diagnosis. Hell, swap the one in from Grandma's LeSabre just to troubleshoot it.
    Dude! Full Service Manuals! 2004-'08 User manuals, full docs wiring diagrams trouble codes... go look.
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