The Check Engine Light may illuminate for many different reasons, some of which may be corrected by updating the software in the powertrain control module (PCM).
Average mileage: 85,500 (65,000–120,000)
10 people reported this problem
Engine light came on, diagnostic said miss fire. Completed a tune up. Light came back on. Still miss firing cylinder 1 changed ignition coil for cylinder one, worked for a little while. Now light comes on and off when and still happening