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chico280
chico280 asked in Cars & TransportationMaintenance & Repairs · 9 years ago

I changed my air filter and now truck won't start!?

First off, the truck is a 1971 Toyota Landruiser fj40 with a chevy 350 v8 and holley 8050b carb. Edlebrock performer intake. The thing has been running kinda crappy for a while now, and after I did a tune up with new distributer and coils even. So I looked at the air filter and it looked like someone put oil on it to help collect dirt. Anyway, it was filthy! I put a brand new one on, and it ran quite a bit better and smoother, to the store. Restarted and went home.. no problems.

Now I go to start it a few hours later, and it started and ran fine for about 30 or more seconds then it stalled. The auto choke was on, and usually I have to kick down the choke. but after it stalled, when I started it back up the choke really wasn't working and keeps stalling. I just left it alone since it wouldn't start. I'm not sure if it's flooded, but it did sputter and pop a couple times. Could the mixture be off now? I'm baffled. Prior to this, I've replaced just about everything tune up wise. Thanks

Update:

I did not touch anything other than the butterfly nut to loosen the air filter. The last couple days at night, it has been stalling while driving. I pull over and it starts back up again. I don't think it's vapor lock since I replaced the thermostat and it happens at under 200 degrees. It was doing the same thing before until it wouldn't start at all at which point I figured the coil was bad and replaced the entire HEI distributer with a brand new one. It fired up and ran fine since then, until the last couple days it started doing it again, which is why I figured it might be the dirty air filter. Also the fuel pump is working and the fuel filter is new and clean. Also it seems to happen mostly at night for some reason. Humidity maybe? I'm stumped.

Update 2:

I did not touch anything other than the butterfly nut to loosen the air filter. The last couple days at night, it has been stalling while driving. I pull over and it starts back up again. I don't think it's vapor lock since I replaced the thermostat and it happens at under 200 degrees. It was doing the same thing before until it wouldn't start at all at which point I figured the coil was bad and replaced the entire HEI distributer with a brand new one. It fired up and ran fine since then, until the last couple days it started doing it again, which is why I figured it might be the dirty air filter. Also the fuel pump is working and the fuel filter is new and clean. Also it seems to happen mostly at night for some reason. Humidity maybe? I'm stumped.

3 Answers

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  • monarch
    9 years ago
    Favorite Answer

    I think you did everything you could,,only you missed to check the vacuum line of the choke[it stock] of which it control the opening of the float,,thats why it clogged the engine with fuel,,,,,,,

  • ?
    9 years ago

    the coke is probably bad, use a screw driver to hold open the flap on the carb, then try to start. It will spit and sputter pop and puff till it get fired up and warm.

    prolly gonna need a new coke, there about 60 bucks

  • Kenny
    Lv 7
    9 years ago

    check the float level.

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