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Thread: Car wont start, carb shoots flames!!!

  1. #1
    DX User
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    Sep 2012
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    Car wont start, carb shoots flames!!!

    Alright guys. I bought this car for 500 a few months back and it hadn't been started in 4 years. I got it to start by only replacing the battery fuse lol. Poured a little Gas in the carb and boom it started and the fuel pump worked fine.

    Fast forward to me moving/driving it to my house and replacing the rear brake shoes. I had it on Jack stands. When I went to start the car it only cranked. I checked the spark wires, and replaced them since the old ones were just busted to crumbs.

    Thinking that I wasn't getting fuel i hit the throttle and can see fuel go into the bowl. I opened the choke flap all the way and tried to start the engine. It cranked and cranked and cranked some more, and nothing. so then I looked closer through the gap between the hood and engine. I was seeing sparks/ and flames shooting out of the top of the carb... WTF!!!! I need help like asap. I want to drive this honda monsta



  2. #2

    Dr_Snooz's Avatar
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    1989 Accord LX-i
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    Re: Car wont start, carb shoots flames!!!

    No help till vids!!

    That's obviously not a common issue, so you're going to have to investigate it. I would be looking for frayed or exposed wiring (possibly from rat damage). If checking out the flames doesn't reveal the problem, then you're going to be working with a basic no start condition. You need fuel, spark and timing to get it to start, so find out which of those is missing, and report back.

    https://www.youtube.com/watch?v=FBUYs539cy4

    At this point, I'll say be braced for a carb replacement. If it burned real good, then it could have melted stuff and made a real mess. Look into the Weber swap if you don't have emissions tests where you are.
    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 240k miles, MT swap, rear disc swap

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  3. #3

    Re: Car wont start, carb shoots flames!!!

    flames shooting out the carb while cranking is usually a timing (unlikely in your case) or firing order issue, I think you mixed up some wires
    Eric
    3geez member since October 12, 2000
    "All this worldly wisdom was once the unamiable heresy of some wise man." - Henry David Thoreau

  4. #4

    Re: Car wont start, carb shoots flames!!!

    Click image for larger version. 

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    ^click^

    Cylinder #1 is closest to the timing belt (driver's side)
    Tec style cap will have lines IIII II I III
    Hitachi style cap will have numbers 4 2 1 3
    Eric
    3geez member since October 12, 2000
    "All this worldly wisdom was once the unamiable heresy of some wise man." - Henry David Thoreau

  5. #5
    DX User
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    Sep 2012
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    Re: Car wont start, carb shoots flames!!!

    come on guys. dont insult my intelligence that bad lol. I have the correct order. I checked compression and cyl 2 was a little low 110 the rest were 140. but that still should not cause a problem like that. Also I checked each spark plug, they were sparking strongly. maybe its a carb issue.

  6. #6

    2oodoor's Avatar
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    86 LX JDM B20A
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    Re: Car wont start, carb shoots flames!!!

    Fuel starvation is my number one prognosis when a car spits up the intake, unless other work was done beforehand.

  7. #7
    LX User
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    88 DX 5spd sedan 176Kmiles, 1 owner, stock. (Sold 10/18)
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    Re: Car wont start, carb shoots flames!!!

    'Shooting flames out the carb' and the picture of distributor cap POS carb posted had me thinking maybe you have a bad distributor cap; They can develop cracks, and the #4 plug can get a spark directly from the coil on this type of cap.
    ....anyway, something has to be igniting that fuel at the wrong timing. If not a misplaced wire, the spark might be jumping right there. This is a familiar problem with this type of cap. If your wires were that bad, maybe the cap needs replacing too.

  8. #8
    DX User
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    Re: Car wont start, carb shoots flames!!!

    I replaced the cap and rotor also. When I changed the wires

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