Engine backfires can be produced by a vacuum leak, bad timing, problems in the ignition system, a faulty sensor, an exhaust leak, or some other system fault. Sometimes, locating the source won't take you much time, other times it can prove difficult. The backfire is produced when unburned fuel ignites inside the intake or exhaust manifold instead of a cylinder.
A Kawasaki lawnmower engine that backfires on start-up has a problem with fuel delivery through the idle jet. Too much fuel is delivered, resulting in unburned fuel in the exhaust. Fuel burning in ...
How to Fix Engine Backfires . ... Anytime you have an engine that is backfiring the first thing to look for is a check engine light. If no warning lights are on continue down this guide. If the check engine or service engine soon light in on scan the computer for trouble codes. This will help locate the system that is having a problem and needs ...
How to fix a backfiring engine by showing you the most common symptoms and solutions. This is a very common problem with cars today and the fix can be very easy and often times performed at home.
How to Diagnose an Engine that Turns Over and Cranks But Does Not Start - Crank No Start Diagnosis - Duration: 15:58. Ratchets And Wrenches 479,632 views
2 days ago I cleaned the MAF sensor, let it air dry then reinstalled. I didn't test drive right then but waited a few hours. When I was going to, immediately upon starting the engine it backfires, then smoke from under the hood, I think from the driver side. The engine ran for only a few seconds before I shut it off.
Backfire is a condition described as a loud bang, poof, explosion, etc., while the engine is running or while shutting down. Afterfire occurs after the engine has been shut off. Note: Backfire and afterfire through the carburetor will not harm the engine at all! Find out the most common causes and possible fixes for engine backfire and afterfire.
If your engine backfires when trying to start and the valve timing is correct, then it could be electronic ignition unit or the pick up that causes the spark to occur with wrong timing.