2017-10-10
Illuminated check engine light
Poor engine performance
Reduced power
Issues with speedometer readings
Failed vehicle speed sensor
Faulty wiring or connections in the circuit
Loose or corroded electrical connections
Failed engine control module (ECM)
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 vehicle speed sensor
Check and repair any damaged wiring or connections
Tighten or clean any loose or corroded electrical connections
Replace the engine control module (ECM) if necessary