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Q: Why does my vw backfire through carb?
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What would make your truck backfire through carb?

probably 180 deg out on timing


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.


What would make a 92 jimmy backfire through the carb?

Too much fuel pressure. that typically happens when needle valve (carb pressure control) is blown off the seat.


If your timing is out 180 on a 350 will it just backfire out of the carb?

Yep.


91 calais spits back through carb replaced ignition module coil packs and crankshaft sensor still same result when trying to start?

you can check the catalytic converter it may be plugged and cause it to backfire through the carb


What does a backfire flame arrestor on a gasoline inboard engine prevents?

A fire in the carb.


What causes the 650 nighthawk to backfire?

As with any engine, timing, and also carb problems.


I have a 1970 vw bus and i am getting a lot of backfire . i had the carborator rebuilt but i still have the problem of it backfiring.?

after rebuiling carb jet have 2 b adjusted, check ur timing also If you have any exhaust leaks close to the engine it will promote backfires.


Would advanced or retarded timing cause intake backfire?

yes, backfiring is always due to ignition or timing problems. Backfiring through the carb can be a symptom of a lean condition.


Why would your 1977 three quarter ton 4x4 backfire through the carb timing and plug wiring seem ok?

u have an intake valve bent or sticking open. run a compression check with all the plugs out and butterfly to carb open.


What about spark plug wires being crossed could that cause it to backfire out of the carb?

Yes it would.