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A back-fire or backfire is combustion or an explosion produced by a running internal ... A fuel-injected engine may backfire if an intake leak is present ( causing the engine to run lean), or a fuel ...

What Causes a Car to Backfire? | Advice from YourMechanic


Dec 2, 2015 ... When an engine runs too rich, there is too much fuel to create an explosive, fast- burning flame. ... Specifically, delayed timing causes a backfire.

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.

What causes engine backfire? | Reference.com


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 ...

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


We usually refer to an exhaust backfire as a "backfire", and backfiring through the carb as "spitting" or "coughing". "Backfiring" is usually caused by a spark plug ...

Got Engine Backfire Problems? Repair It With The Pros - 2CarPros


Jun 6, 2016 ... Anytime you have an engine that is backfiring the first thing to look for is a ... An intake explosion is caused by the fuel air mixture being to lean ...

Backfiring - rcramer.com


Backfiring is in no way related to fuel and a properly tuned engine should not ... It is commonly caused by ignition of the air/fuel mixture while it is still in the intake ...

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 ... In this video we'll take a look at how an engine could have ...

Why Do Cars Backfire? - The Car Connection


Nov 15, 2013 ... Backfiring basically happens when your car's internal combustion engine has ... your car's internal combustion engine has a moment of external combustion, ... by the ECU, so this again could be the reason behind backfiring.

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  ...

What Is Wrong When My Car Backfires?
The causes of most engine backfires fall into two categories: gases explosively expelled through the intake manifold, or explosions that take place within the exhaust system. Backfires through the intake are generally related to problems with ignition... More »
Source: www.ehow.com