WELLS VEHICLE ELECTRONICS
SU4991
Wells SU4991 Manifold Absolute Pressure Sensor
EAN: 0025889231581
UPC: 025889231581
MAP
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' Manifold Absolute Pressure Sensors are designed and manufactured to meet or exceed original equipment manufacturers' specifications for performance and durability. The Manifold Absolute Pressure Sensor, also known as the MAP sensor, measures atmospheric pressure inside the intake manifold and sends a voltage signal to the Engine Control Module (ECM). As atmospheric pressure inside an intake manifold is negative during vehicle operation, the sensor is actually measuring vacuum. The ECM calculates proper air/fuel ratios, idle speeds, and ignition spark timing based in part on the Manifold Absolute Pressure Sensor's signal. A malfunctioning or inoperative Manifold Absolute Pressure Sensor can cause drivability symptoms such as hard starting, stalling, harsh or poor transmission shift points, 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 Manifold Absolute Pressure Sensor condition can cause reduced fuel mileage and performance, increased emissions, and damage to other components such as the catalytic converter.
Covercraft Custom Fit Polycotton Series Car Cover, Gray
GEN. MOTORS
Mix me 3764