Solution to this problem is placing an additional temperature sensor along with the air volume sensor. Output signal of MAF, made by BOSCH is a variable voltage in the range 1 - 5V, whose value depends on the mass of air flow through the sensor. At zero air flow (engine stopped) the sensor output voltage should be equal to 0.98V - 1.02V.
The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors. A bad mass airflow sensor can leave your Volkswagen Beetle's engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold. It passes this information onto your Beetle's ECU.
Nissan sentra 2003 gxe 1.8 possible MAFS problem, car stalls once in a while and speed won't go past 10 MPH also kills the car battery
Common Symptoms of a BAD Ford MAF Sensor This is not the most definitive list on the subject, but does cover the majority of symptoms I've seen on these types of Ford Mass Air Flow Sensors: 1) MAF Codes that light up the CHECK ENGINE LIGHT (CEL) on your Instrument Cluster. P0102 MAF Signal Low Input to PCM. P0103 MAF Signal High Input to PCM.
The most common signs of bad mass air flow sensor (MAF) in Ford Ranger are loss of power or slow acceleration, engine hesitation or jerking during acceleration, erratic idling, misfires, poor exhaust emission values and sometimes black smoke comes out of the tailpipe. The mass air flow sensor is part of the engine’s intake system and is
Step 2: Replace or clean the MAF sensor. Now would also be a great time to change your air filter while the cover is out of the engine bay. The MAF sensor is held into the airbox cover by two tamper-proof T20 screws. Use the tamper-proof T20 bit socket to remove the screws, then pull the sensor out of the cover.

1. Rough Idling. If you pull up to a red light or intersection and your engine idles, you may notice your Mercedes feels juddery or is excessively loud. If so, you may be experiencing a rough idle. There can be many causes for this, but a likely culprit is the MAF sensor. This is because the air-to-fuel mixture in your Mercedes engine is

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    • e46 mass air flow sensor symptoms