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It backfires because it's lean. The trick is to figure out why. Check your vacuum lines and anything that could obstruct fuel flow.
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∙ 15y ago
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Why would flames come out of your carburetor when trying to start your engine?
AnswerSounds to me that your vehicle is off time. Check the timing on it. If the timing is off it will backfire through the carb and also if it is cross wired (firing order wrong) it will backfire through the carb.
Why does your 85 ford 460 backfire through the carb?
Spark plug wires incorrectly connected or it is way out of time.
Why does 1990 MTD ranch king backfire?
If it backfires after you shut it off then it is probably running too rich. Any unburned gas the that is exhausted out and into the muffler will explode with a backfire. With a 1990 model you won't have the anti-backfire solenoid on the bottom of the carb like the newer ones have. If it backfires while it is running it might be out of time. Check the keyway between the crank and flywheel to make sure it is not partially sheared.
What makes a carburetor backfire?
Several things could make a carburetor backfire. The engine could be out of time. the carburetor could have a stuck float, or the engine could have a stuck valve.
Why do motorcycles backfire?
well it all depends on when it is backfiring most of the time on start up if it does back fire then it prob because when you turned it off you had the rpms high and sum gass was mostlikely left in the carb
Why does the engine backfire every time it takes off from a light in 1997 Chevy Express van?
Timing needs adjustment. or its runing too rich on fuel.
What would make 95 Honda odyssey sputter and backfire?
Incorrect ignition timing or damaged valves would make a 95 Honda Odyssey sputter and backfire. Backfires are directly caused when ignition occurs at the wrong time.
What would make your 1998 Toyota Tacoma backfire?
Out of time or spark plug wires hooked up incorrectly.
Can a timing chain backfire and mess up starter on a 1998 surburban?
The chain can not backfire. If it is installed off time it can cause a backfire, which could conceivably damage a starter.
Can fuel filters and or fuel pump cause backfire?
No, backfire is usually caused by park plug wires that are installed incorrectly or an engine that is out of time. Fuel filter and pump will not cause backfire.
What would make a 1990 Chevrolet lumina run sluggish and backfire when decelerating?
It can mean that this engine is out of time. You may need to have it timed.
What causes 1988 Dodge Dakota tuck backfire?
Backfire is normally caused by engine out of time, or spark plug wires installed incorrectly.
