Misfire
Faulty: spark plug, spark plug wire, ignition coil, ignition module, fuel injector are the
most common. Coolant leaking into a cylinder is another.
Internal engine problems such as burnt valve, broken valve spring, bent push rod, worn
rings
There is a serious "miss" or misfire, without more information it is impossible to diagnose why.
If your check engine light is blinking , an engine cylinder misfire has been detected The vehicle needs to be scanned for trouble code(s) to diagnose and then repair the problem
An engine cylinder misfire is what happens when combustion is incomplete. How much it costs to fix will depend on the type of car and the year it was manufactured.
If your check engine light is blinking with the engine running that is indicating a misfire - get your vehicle scanned for any trouble codes to diagnose and then repair the problem
if the engine light is blinking a misfire condition has been detected. check plugs and wires.l
Wait about 30 seconds before you open the breech for inspection, after a misfire.
Cylinder misfire. Possibly failed or failing engine mounts.
That is usually an indication of a misfire. You need to have the codes checked, and you can then diagnose the indicated cylinder. see related questions below.
Multiple & or random misfire(s)
Possible cylinder misfire and/or failing engine mounts.
If the check engine light is blinking that means an engine cylinder misfire has been detected
The engine crackle sound in a car is typically caused by unburned fuel igniting in the exhaust system. This can happen when the engine is running rich or when there is a misfire in the combustion process.