Question about 1993 Chevrolet Caprice
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Posted on Jan 02, 2017
The MAF (Mass Air Flow) sensor is a very common problem with these along with the pickups. This isn't what you would call an inexpensive part. Definitely do some shopping before you buy one.
Posted on Nov 10, 2008
It's should be a simple remove and replace. Just make sure the engine is off. Also do not touch any of the filament wires on the sensor, just the plastic housing. Also after you install it drive the car for a little while (city speeds, cruising speeds and inbetween). That way the computer will be able to readjust its setting since it is a new sensor.
Posted on Apr 02, 2009
location is under the hood where the aircleaner is there is an electrical connection that plugs into the mass air flow sensor
Posted on Oct 09, 2009
SOURCE: mass air flow sensor
The mass airflow sensor is very important...it uses tiny diodes mounted in the flow path of the incoming air to the throttle body in units called CFM. It sends that information to the engine computer and the program calculates the proper amount of fuel needed to mix with the volume of air coming in. It is vital to your car that this sensor is properly maintained. If it's diodes are allowed to get dirty such as by having a dirty air filter, then the readings it takes will be inaccurate and the cars' performance will suffer. If the diodes break, you will not be able to drive the car and a new sensor is expensive.
DO NOT buy into snake-oil products like MAF cleaner...it is an expensive gimmick plus spraying anything under pressure into the sensor can break the diode filaments, some of them are barely .010" thick. Just remove the sensor with the proper bit and carefully poor a stream of isopropyl alcohol (isohol, rubbing alcohol) over the diodes until they shine. Then rinse with water and let air dry.
Posted on Dec 15, 2009
The mass air flow (MAF) sensor is an integral part of the throttle body assembly and cannot be serviced separately. For replacement of the MAF sensor refer to Throttle Body Assembly Replacement.
Posted on Feb 25, 2010
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