Cool 2008 Jeep Commander Check Engine Light Common Issues Ideas. If it does, you should consider a replacement to solve the transmission engagement delays. Spark plug wires and/or coils that are damaged or worn;

Web #1 transmission engagement delays a faulty internal cooler return filler causes the jeep commander to exhibit delayed transmission engagement on the road. The oxygen sensor is an important component of the vehicle’s emissions control system, and it monitors the amount of oxygen in the exhaust gases. Coincidentally ( or not?) yesterday, the check engine light came on, and has remained on.