WELLS VEHICLE ELECTRONICS

SU1390

Wells SU1390 Fuel Tank Pressure Sensor

EAN: 0025889291356

UPC: 025889291356

SKU: WEL SU1390

Engine Computers

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' Fuel Tank Pressure Sensors are designed and manufactured to meet or exceed original equipment manufacturers' specifications for performance and durability. The Fuel Tank Pressure Sensor or Fuel Vapor Pressure Sensor measures the atmospheric pressure inside the fuel tank and sends a voltage signal to the Engine Control Module (ECM). The Fuel Tank Pressure Sensor is part of the vehicle's sealed EVAP (Evaporative) system or emission control system, which holds fuel vapors and prevents the release of raw hydrocarbons to the atmosphere. The EVAP system's other components such as the vent valve and purge valve function at the direction of the ECM based in part on the Fuel Tank Pressure Sensor's signal. A failed Fuel Tank Pressure Sensor can cause the Check Engine Light (CEL), Service Engine Soon (SES), Malfunction Indicator Lamp (MIL), or Gas Cap Open light to illuminate and can set a trouble code (P-code) in the ECM when not functioning correctly. Not correcting a failed Fuel Tank 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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