Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1982COLONY PARK V8-302 5.0L VIN F 2-BBLREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSBAROMETRIC PRESSURE SENSORDESCRIPTION AND OPERATION
1982 Mercury Colony Park V8-302 5.0L VIN F 2-bbl
Barometric Pressure Sensor: Description and Operation
1982 Mercury Colony Park V8-302 5.0L VIN F 2-bblSECTION Description and Operation
Fig. 5 Barometric & Manifold Absolute Pressure Sensor:
These two sensors, Fig. 5, are combined into one unit. The BMAP sensor monitors the absolute value of the intake manifold pressure and atmospheric pressure (manifold absolute pressure is defined as barometric pressure minus manifold vacuum).
Atmospheric pressure changes are converted into an electrical signal and fed to the computer for evaluation. From this input, the computer determines the EGR flow requirements depending on the altitude at which the vehicle is being operated.
Intake manifold pressure changes are converted by a pressure-sensing element and electrical circuit by the computer. The signal is used by the computer to determine part throttle spark advance, EGR flow rate and air/fuel ratio.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.