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Engine backfire is caused by an imbalance in the air-to-fuel ratio of the vehicle. Backfires occur in one of two places. A backfire in the intake manifold is caused by a ratio that...

Causes of Small Engine Backfire
As is implied by the term "combustion engine," a small engine creates and contains a series of small explosions within its combustion chamber. Sometimes, these explosions can occur outside of this chamber, such as in the engine intake valves, or in the... More »
Difficulty: Easy
Source: www.ehow.com



A back-fire or backfire is combustion or an explosion produced by a running ... Poor or unregulated engine timing is often a cause of intake backfires, but can ...

Why does my engine spit or backfire? - Bad-Ass Racing Engines


We usually refer to an exhaust backfire as a "backfire", and backfiring through ... Having timing that is too late (retarded) can cause this same thing sometimes if ...

Why does my engine backfire out the muffler - Briggs & Stratton


(Note: "Afterfire" and/or "Backfire" will not harm the engine at all!) ... contains alcohol has a tendency to ignite easier, plus cause the engine to run slightly hotter.

Backfiring - rcramer.com


Backfiring is in no way related to fuel and a properly tuned engine should not backfire. ... What this FAQ will try and do is to help you isolate the cause of it.

Engine Backfire - Professional Mechanics Online


Jul 30, 2015 ... Easy to understand guide on how to repair an automotive engine backfire ... Step 8 - An engine vacuum leak can cause a lean mixture backfire.

www.ask.com/youtube?q=Cause of Engine Backfire&v=bgS3PA5r0vY
Feb 13, 2013 ... Backfiring can be used to describe combustion occurring through the intake ( travelin. ... In this video we'll take a look at how an engine could have .... what if both are happening a lean and rich? can bad spark plugs cause it?
www.ask.com/youtube?q=Cause of Engine Backfire&v=XVDXLW3P7q8
Feb 6, 2013 ... A backfire occurs when combustion takes place outside of the cylinder. ... Also have ALS and LC, that also causes 'backfires'. ... When the engine is cold or during the warm up the fuel air mixture must be rich because fuel is ...

4: Backfires in Exhaust - Mikuni American Corporation


In fact, one should expect a well-tuned high performance engine to "pop" and ... This vacuum, in turn, causes a high air flow rate through the small gap formed by  ...

Popular Q&A
Q: What causes an engine backfire?
A: An engine backfire is caused by the wrong fuel to air ratio in the engine. A backfire Read More »
Source: www.chacha.com
Q: What causes an engine to backfire?
A: missfiring cylinder possibly due to fouled spark plug, ignition timing incorrect (leads swapped around). The reason for the backfire is unburnt fuel accumulates... Read More »
Source: wiki.answers.com
Q: What causes engine backfire?
A: There are several ways a backfire can be caused. Actually, raw fuel is getting into the exhaust manifold and igniting from hot surfaces, residual combustion, po... Read More »
Source: answers.yahoo.com
Q: What causes motorcycle engines to backfire?
A: There can be any number of reasons, for a motor to backfire. Plus, any number of kinds of backfiring. The causes can be, to rich, to lean, bad timing, to hot, t... Read More »
Source: answers.yahoo.com
Q: What could cause an engine to backfire through the intake?
A: If the fuel mixture is too lean (not enough fuel, imbalance in air to fuel ratio needed for your car to operate properly) you may have a backfire in the intake. Read More »
Source: www.kgbanswers.com