One problem related to check engine light on has been reported for the 2019 Subaru Ascent. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2019 Subaru Ascent based on all problems reported for the 2019 Ascent.
Check engine light - diagnosis ' vehicle loses power after rapid acceleration above 45mph. A whooshing sound occurs and then acceleration is limited. All warning lights flash including 'check engine. ' this has occurred once about a month ago and diagnosed as a poorly replaced gas cap'although it was actually on securely. It occurred 2 weeks later 3 more times within two days. I brought it in with the lights on and issue still occurring to Subaru pacific. They cleared codes and tried to recreate issue without success. They released the car back to me after corporate deferred to them. Upon driving out of dealership, the same thing happened only after acceleration above 18 mph'all warning lights back on and sputtering/jerking/loss of power. Whooshing sound. Dealer is in possession of the car again to look into it. Also, there tends to be a grey-blue hue to the exhaust each time car starts.