2017-10-10
Illuminated check engine light
Decreased fuel economy
Engine may stall or have trouble starting
Rough or unstable idle
Faulty MAP sensor
Damaged or corroded wiring or connections in the MAP sensor circuit
Vacuum leak in the intake manifold or hoses
Failed engine control module (ECM)
Manifold Pressure Sensor: Manifold Pressure sensor measures the pressure of air flowing in the engine from outside to ensure proper fuel combustion. This car's malfunctioning pressure sensor will lead to engine misfire, poor fuel economy & rough running
Replace the faulty MAP sensor
Check and repair any damaged or corroded wiring or connections in the MAP sensor circuit
Inspect and repair any vacuum leaks in the intake manifold or hoses
Replace the engine control module (ECM) if necessary