A tremendous lack of power upon acceleration.Īs I mentioned at the beginning, you don't need a scan tool to follow the tests in this article, but you do need a multimeter.MAF sensor malfunction that DOES NOT light up the check engine light (CEL).P0101 Mass Air Flow System Performance.MAF codes that light up the check engine light (CEL) on your instrument cluster.This list covers the majority of symptoms I've seen on these types of GM mass air flow sensors: You can find this tutorial in Spanish here: Cómo Probar El Sensor MAF GM 3.8L (1996-2005) (at: ). How To Test The GM Mass Air Flow Sensor: GMC Savana Van and Chevy Express Van 4.3L, 5.3L, 6.0L Engines (2003-2008).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).
How To Test The MAF Sensor on 3.1L, 3.3L, and 3.8L Buick, Oldsmobile, Pontiac (1988-1996).There are also several other MAF sensor test article I've written you might be interested in looking at:
If you need to just clean the MAF sensor, you can find this article here: Cleaning The MAF Sensor (at: ). For more specific application info, take a look at the box titled Applies To: on the right column. Now, in case you wondering if this test applies to your specific vehicle, this article covers the MAF sensor on 1996 thru' 2005 3.8L V6 Buick, Chevrolet, Oldsmobile, Pontiac 3.8L V6 equipped cars. In this article, I'll show you how to test the mass air flow (MAF) sensor on your GM 3.8L (3800) vehicle without a scan tool.
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