mass air flow sensor check engine light
The air mass information is necessary for the engine control unit ECU to balance and deliver the correct fuel mass to the engine. A mass air flow sensor MAF is a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine.
Bosch Mass Airflow Sensor 0280218063 Bosch Fuel Economy Sensor
When the air flow sensor signal varies from the expected range the PCM records a fault and stores the corresponding trouble code illuminating the Check Engine light on the dash.
. Your Jeeps computer then measures the electrical resistance through the MAF while air flowing through the sensor cools its components down. The MAF detects the volume of air as it enters your engine. Regardless of the reason there are a long list of diagnostic trouble codes DTCs that will describe the cause of the check engine light on your Ford Mustang.
The following trouble codes are usually associated with a mass air flow sensor. P1122 TP Sensor Circuit Intermittent Low Voltage - Read Our Article on Intermittent Diagnosis For Help With These GM Trouble Codes. It could be because you went with an off-road mid-pipe and now need to get the tune adjusted for the lack of catalytic converters or simply because you may need to clean your mass air flow MAF sensor.
Obviously there has to be right airfuel mixture to keep your engine happy. Air changes its density with temperature and pressure. The MAF sensor itself only measures a portion of the air entering and that value is used to calculate the total volume and density of air being ingested.
It does this by heating up a thin wire or resistor. P1130 HO2S Circuit Low Variance Bank 1. Your mass air flow sensor or MAF plays into this too.
The MAF mass air flow sensor is a sensor mounted in a vehicles engine air intake tract downstream from the air filter and is used to measure the volume and density of air being drawn into the engine. In automotive applications air density varies with the. This trouble code can be retrieved with a scan tool.
P1125 Accelerator Pedal Position APP System. P1121 TP Sensor Circuit Intermittent High Voltage - Read Our Article on Automotive Circuit Testing For Help With This GM Check Engine Light Code.
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