2017-10-10
Illuminated check engine light
Erratic or incorrect sensor readings
Electrical system failures or malfunctions
Faulty or damaged sensor
Corroded or damaged wiring or connections in the sensor circuit
Failed engine control module (ECM)
Failed voltage regulator
Engine Control Module (ECM): ECM is the part of the car computer that controls the engine system and performance. Problems lead to poor fuel economy, engine stalling & unwanted engine vibrations
Replace the faulty or damaged sensor
Check and repair any corroded or damaged wiring or connections in the sensor circuit
Replace the engine control module (ECM) if necessary
Replace the voltage regulator