Author Topic: Carb Problems?  (Read 1249 times)

Meatywand

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Carb Problems?
« on: February 09, 2012, 09:23:23 PM »
Got this message on Steam....I don't know shit about carbs so I told home dude that I would post a thread here....

"My van is getting bad gas mileage, like 6-7mpg bad. A little under half of what I'd normally expect from it. I suspect it might be something related to the carb, since it doesn't seem to have enough choke when it's cold and sometimes misses a bit under heavy throttle (and even died today with WOT). Should I try spraying some stuff in it, rebuilding it, or am I completely wrong?"
Oh, and the engine in question is a 80s era CSB, something smaller than a 350 I think.
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NovaDK13

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Re: Carb Problems?
« Reply #1 on: February 09, 2012, 09:49:37 PM »
Depending if hes ever had it off or how many miles are on it Id just rebuild it, whens the last time for a fuel filter or tune up? If its a quadrajet found a decent link to links http://www.florida4x4.com/tech/quadrajet/

MiniVanMan

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Re: Carb Problems?
« Reply #2 on: February 10, 2012, 11:08:42 AM »
Clogged jets, poor adjustment, etc so on so forth.. there's a lot of things it could be.

Thankfully they're not as complicated as they sound, so if he's at all mechanically inclined he could rebuild it in an hour or less.

Joshua

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Re: Carb Problems?
« Reply #3 on: February 23, 2012, 08:35:46 AM »
Sounds like a rebuild is in order, it is probably leaking fuel and running WAY rich. Pull a sparkplug and check to confirm.

I only know about Holley carbs, can't help you with Quadrajunks.
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