How To Test The MAF Sensor on 3.1L, 3.3L, and 3.8L Buick, Oldsmobile, Pontiac (1988-1996).How To Test The GM MAF Sensor: Buick, Chevy, Olds, Pontiac 3.8L V6 Engines (1996-2005).How To Test The GM mass air flow sensor (Early Type): Buick, Chevy, Olds, Pontiac 3.1L, 3.4L, 4.3L, 5.0L, 5.7L V6 Engines (1996-2005).In case this isn't the MAF sensor article you're needing, there are several more I've written and you can find some of them here: This MAF test is done in 3 easy steps.Īll you'll need, to test the MAF sensor (with this tutorial) is a multimeter that can read Hertz frequency (if you don't have one, I've made a recommendation on where you can buy a reasonably priced one below). GM, Isuzu, Acura, Honda and their associated vehicle models and part numbers are used in this listing only to identify the vehicles this MAF Sensor fits.In this test tutorial, I'll show you how to test the mass air flow sensor to see if it's bad (and lighting up the check engine light) or not. This MAF Sensor is NOT a genuine GM, Honda, Acura, Delphi, Airtex, Cardone or KEM part. This is a compatible replacement part manufactured by AA Ignition. Save time and money by purchasing this part and taking advantage of our lifetime warranty. If the part ever fails on your Buick Roadmaster, Chevrolet Beretta, Corsica, Caprice, GMC Safari, Honda Passport, Isuzu Amigo, Hombre or Cutlass Supreme simply contact us for a replacement. LIFETIME WARRANTY - This mass air flow sensor assembly manufactured by AA Ignition comes complete with a lifetime warranty.OEM FIT, QUALITY, FINISH - While this is not a genuine GM, Delphi, Airtex, Cardone or KEM part, it is a direct replacement manufactured by AA Ignition and will fit, work, and look like the factory MAF Sensor on your Grand Am, Lumina, Skylark, S10, Rodeo, Achieva, Aurora, Intrigue, Bravada, Aztek, Montana or Transport including models with years 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04, 05.The MAF Sensor can easily be located beside the air intake box inside the engine bay. If your vehicle is running rough, hesitating after starting or experiencing poor fuel economy then you may have a problem with your mass air sensor. Overtime the factory MAF sensor can fail or accumulate dirt and oil causing the vehicle into some running issues or light up a CEL (Check Engine Light). REPLACEMENT MASS AIRFLOW SENSOR - Also known as the MAF Sensor allows the vehicle to detect the mass of airflow entering the engine necessary for proper fuel mixture.Mass Air Flow Sensor - Fits Chevy Impala, Monte Carlo, S10, Blazer, Malibu, Astro, Pontiac Grand Prix, GMC Safari, Oldsmobile Intrigue, Cutlass and more - Replaces 2133458, 10332673, 25008302, AF1004