OK, you'll be using your multimeter (in Volts DC) to confirm this Ground is working. FWD Chevy or any GM vehicles: Air or vacuum leak or Mass Air Flow Hello. Ground is provided by the black with white stripe wire and is the wire labeled with the letter C in the photo above. We do our best to prevent these issues from happening and apologize for any inconvenience it may cause. P0130 definition: Oxygen Sensor Circuit Malfunction (Bank 1, Sensor 1) Issue. Now that we know that the mass air flow (MAF) sensor is getting juice, the next step is to make sure it's getting Ground. Repairing the cause of the missing voltage will solve the MAF problem. If you still don't see 10 to 12 Volts (on your multimeter), then this exonerates the MAF sensor as being bad, since without 12 Volts, the MAF sensor will not work. Anything that acts like insulation to the hot. The contamination can come in the form of spider webs, potting compound from the MAF sensor itself, dirt that gets attached to oil on the MAF from an over-oiled aftermarket air filter, and more. Recheck your multimeter connections and test again. These symptoms indicate a MAF that has a contaminated hot wire. The next step is to verify that it's also getting a good Ground, go to: TEST 2: Testing The Ground Circuit.ĬASE 2: The multimeter DID NOT register 10 to 12 Volts DC. Now you know that the mass air flow (MAF) sensor is getting juice. This is good and it's the correct test result. Ground is provided by the black with white stripe wire and is the wire labeled with the letter C in the photo above. Let's take a look at what your test results mean:ĬASE 1: The multimeter registered 10 to 12 Volts DC. Repairing the cause of the missing voltage will solve the MAF problem. How To Tell If You Have a 2006 Chevrolet HHR Faulty Mass Airflow Sensor The engine is very hard to start or turn over The engine stalls shortly after starting. The multimeter should register between 10 to 12 Volts DC.
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