Questions & Answers for: cause of engine backfire

the engine begin to backfire and pop...Any ideas? Backfires are usually caused by a lack of fuel...change the fuel filter. Also very old spark plugs (or plugs gapped to wide ) will cause this problem

...engine timing is often a cause of intake backfires, but can also be responsible for exhaust backfiresImproper wiring in the ignition can also lead to timing issues and backfiresLow fuel pressure, ...

...at low fuel pressure.  But too much fuel causes flooding.A faulty throttle position sensor could cause all of your symptoms, but it should set a trouble code and turn on the check engine

...engine air intake and the other is produced from the tail pipe of the exhaust system. The cause for a backfire condition can vary depending on the malfunction of a particular system. Some backfires ...

...module will definatly cause it. A fuel injector that is spraying excessive fuel out will cause an engine to backfire. Burned or leaking valves will cause it (rare). Lamda sond could be the

...it is after I have driven it and recrank it. The distributors on these GM trucks should be replaced at least once a year. Any check engine light on? The crank sensor can cause it to backfire as

engine backfires at idle speed Check this video for idle speed adjustment. Backfiring can be caused by incorrect mixing in the carburettor or bad timing settings. Check this link for backfire issues:

...engine-backfire-afterfire " What causes a small engine backfire & how do I fix it? Backfire typically occurs when the engine is decelerated rapidly. Common Causes of Backfire: Lowering engine ...

...cause depends on what condition the backfire happens. Is it a steady backfire at idle or does it start when you are accelerating ? Do you live in a wet climate or dry? Has the engine been wet? ...

...engine from starting and cause backfiring when you try to start it. You may need to replace the ICM to fix this problem.A problem with the fuel delivery system: If the fuel pump, fuel injectors, or ...