Im doing a compression test right now and for some reason its making this weird sound when im pressing the gas.i followed the instruction on how to do it...but it makes a weird sound.

 

If you're talking about the 'pop' that happens on the compression/exhaust strokes on the cylinder you're testing, it's supposed to do that. If that's not what you're talking about, break out your phone's video camera and lets hear that ****.

 

Well noneed to panic anymore i found out what it was...it was just trying to get fuel on the throttle