DID you check for a air leak,fuel,ok. Carburator?
converter stopped up
A bad axle will cause that sound
A leaking manifold seal on the intake will cause a popping noise on the 1996 Honda Accord. This can heard most clearly on days when the weather is cold because the seals tend to shrink.
could be the CV jopints of the car
It can be a defective CVC-joint or other things. Have it inspected by a qualified mechanic and they will find the cause of the popping noise.
A front popping on the left of a 98 Blazer could be the brakes, steering, or wheel bearing. Check all three to find the cause.
One cause of a popping noise from the front end while backing up in cold weather is the drive shaft. A mechanic can help find the problem.
Possible causes of popping/grinding noises when turning:Wheel bearingsCV joint / axleBrakesSee "Related Questions" below for more
Replace the speakers. Adjust the Fade/Balance and listen to find which speaker is popping. The popping noise is most likely from a broken cone in the speaker
If it pops when turning it is most likely the CV joints.
The gas making the popping noise is hydrogen.
If by "popping noise" you mean backfire, it could be crossed ignition wires, or some sort of misfire.