WELLS VEHICLE ELECTRONICS

SU4079

Wells SU4079 Barometric Pressure Sensor

EAN: 0025889177247

UPC: 025889177247

Barometric Pressure

Designed and tested to meet or exceed OE specifications for form, fit, and function
See service manual for proper diagnosis and replacement procedures
After component replacement, use a scan tool to clear any trouble codes (P-codes) or turn off the Check Engine Light (CEL), Service Engine Soon (SES) or Malfunction Indicator Lamp (MIL)
If trouble codes (P-codes) are cleared with a scan tool, certain Engine Control Module (ECM) settings may need to be relearned by driving the vehicle before emission testing
When replacing electrical components, check connectors for corrosion or breakage and repair or replace as necessary

Wells Vehicle Electronics' Barometric Pressure Sensors are designed and manufactured to meet or exceed original equipment manufacturers' specifications for performance and durability. The Barometric Pressure Sensor, also known as the Baro sensor, measures the barometric pressure of the environment that the vehicle is currently operating under and sends a voltage signal to the Engine Control Module (ECM). The ECM calculates proper air/fuel ratios, idle speeds, and ignition spark timing based in part on the Barometric Pressure Sensor's signal. A malfunctioning or inoperative Barometric Pressure Sensor can cause hard starting, power loss, stalling, rough idle, and hesitation. It can also cause the Check Engine Light (CEL), Service Engine Soon (SES), or Malfunction Indicator Lamp (MIL) to illuminate and can set a trouble code (P-code) in the ECM when not functioning correctly. Not correcting a failed Barometric Pressure Sensor condition can cause reduced fuel mileage and performance, increased emissions, and damage to other components such as the catalytic converter.

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