In Reply to: Re: What is a HFM? posted by M3Dave on February 09, 2000 at 19:02:33:
: : I dont know much! thanks a mill
: It's the little plastic short tube lookin' thing that's inline in your air intake plumbing.It's job is to tell the cars brains to send the proper amount of fuel to the cylinders for the right ratio for combustion. The acronym stands for hot film meter.It's more commonly known and refered to as a Mas Air Flow meter.