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SCHNECKE Manifold Absolute Pressure Sensor
Brand Information
SCHNECKE
- Provider of Manifold Absolute Pressure Sensor products to the worldwide OEM market and aftermarket.
- SCHNECKE offers complete Manifold Absolute Pressure Sensor coverage for Asian, Domestic and European vehicles.
MAP sensors can be mounted directly onto the intake manifold or mounted remotely with a vacuum hose going to the intake manifold. This sensor is a major contributor to fuel injector pulse width and ignition and valve timing, reporting engine load to the engine computer.
CAUSE FOR REPLACEMENT
- Check engine lamp illumination
- Engine hesitation
- Poor fuel economy
- Failed emissions test
- Engine stalling
- Extended crank time
PURPOSE
The manifold absolute pressure (MAP) sensor determines the intake manifold pressure or vacuum
FUNCTION
- Sends voltage signal to the ECM which changes with the varying pressure/vacuum within the intake manifold
- ECM uses signal to determine engine load and ensure proper air/fuel ratio
POSITION
Intake manifold, throttle body or remote mounted under hood
Carlton Davis
Reviewed in the United States on July 25, 2024
On time. Works great
Richard Gayle
Reviewed in the United States on May 17, 2024
Received a faulty unit
Danny Contreras
Reviewed in the United States on January 16, 2024
Not one but TWO of these have broken using hand strength to insert it into the hole it goes into, it’s made out of the cheapest and most brittle plastic I’ve seen used in parts. There is no way that this thing would hold for a year given the temp changes in the engine bay…
Richard R. Rhodes
Reviewed in the United States on April 15, 2024
Truck was shaking, hesitating, and felt like it was going to cut off at the traffic lights!.. I’m happy that I kept my old one! For now on OEM parts for me!
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