- M -

M

Meter.

M.H.

Motor home.

M/C

Mixture control.

M/C Solenoid

Mixture control solenoid. Used in conjunction with the Oxygen sensor on feedback carburetors to control the air fuel ratio.

M/D

Medium duty.

M/T

Manual transmission.

MA

[1] An abbreviation for Mass air the amount of air entering the engine [2] An abbreviation for milliampere 1/1000 of an ampere.

MA-PFI

Mass air port fuel injection.

MAC

A tool manufacturer and supplier to the automotive industry.

Machinability

The relative ease with which materials can be shaped by cutting, drilling, or other chip-forming processes.

Machine

1. A car, usually a late-model car. 2. A device capable of doing work.

MacPherson Strut

A type of front suspension having a shock absorber mounted directly below the coil spring.

MacPherson Strut Rear Suspension

An independent, rear-suspension system having a shock-absorber strut assembly on each side, two parallel control arms, a tie rod, a strut rod, a forged spindle, a jounce bumper, and a bracket assembly.

MACS

An acronym for Mobile Air Conditioning Society.

MAF

Mass Air Flow.

MAFS

Mass Air Flow Sensor.

Mag

1. An abbreviation for magneto. 2. An acronym for magnesium. 3. A term used for a lightweight wheel, such as one made of aluminum or magnesium.

Mag Wheels

1. A magnesium wheel. 2. A term used to describe any chromed, aluminum offset, or wide-rim wheel of spoked design.

Magnaflux

A dry, nondestructive magnetic test to check for cracks or flaws in iron or steel parts.

Magnaglow

A trade term for a wet, magnetic, and ultraviolet nondestructive test to check for cracks or flaws in iron or steel parts.