2019 Subaru Ascent Engine Problems
21 owner-reported engine complaints from NHTSA data
Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.
Engine Recalls (1)
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
Subaru of America, Inc. (Subaru) is recalling certain 2019 Crosstrek, Forester, and Ascent vehicles. The aluminum Positive Crankcase Ventilation (PCV) valve can separate, allowing the separated components to enter the engine, resulting in a loss of power while driving.
Fix: Subaru will notify owners, and dealers will inspect and replace the PCV valve, free of charge. If the PCV valve has separated and the components cannot be found, the short block engine will be replaced, free of charge. The recall began January 31, 2020. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WUW-08.
Owner Complaints (21)
Trying to pass an 18-wheeler on PA Turnpike. Weather 68-degrees, sunny day, no precipitation. When accelerating, the vehicle began shaking.
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Huge plumes of smoke on startup. Complained to the service department on multiple occasions and even left the car with the dealer service department. They said they could not duplicate my complaint.
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Driving from Tehachapi, CA toward Las Vegas towing our camper at about 45-50 MPH, we started hearing a knocking that sounded like valve flutter. We drove for about 1 minute looking for a safe place to pull over, but then the knocking grew louder and the oil temp started to rise, so we immediately braked and pulled into the sand (no shoulder).
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Dark gray-blue smoke from the exhaust on start-up, lasting for several minutes. Large plumes with strong noxious odor. Smoke and fumes have triggered several severe asthma attacks.
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The engine keeps stuttering when driving and slowing down to stop at a traffic light. Couple of times, it should shut down and I have to restart the car. I do ensure the car is warmed up to a minimum of 7-10 minutes before starting.
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The contact owns a 2019 Subaru Ascent. The contact stated that while the engine was idling, exhaust fumes entered the cabin of the vehicle. Additionally, immediately after starting the vehicle, there was a loud ticking sound coming from the exhaust system.
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The Y pipe that connects the exhaust from the engine to the turbo charger, has cracks from poor welds. It happened 8-12 months ago we started to notice that during warm up our Ascent would sound real loud then quiet down once it warmed up. We didn’t know there was an issue as there were no lights that came on and we had no loss of power or MPG.
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During an inspection at the dealership in December 2023, the tech found the oil pan to be leaking. It was resealed during the same visit. Approximately 8 months later, the same problem was found again at the dealership.
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My fuel pump was replaced (according to the dealer) based on the most recent recall. However now it idles and runs rough just a short time after this service. I recently read there is another lawsuit or issue with this fuel pump and the symptoms are the same.
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Vehicle blows out white smoke upon start up, this is a hit and miss problem. This is after the vehicle has been parked over night, but has occurred after parked for a couple of hours, it has been sent to the dealer several times
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My wife and I purchased a new subaru ascent in february of last year. Since then intermittently there is a large blue/gray cloud of smoke that comes from the exhaust when the car is started. Have taken the car to the local dealer for repair 4 times and they replaced a part the first time but since then said that they are not able to replicate the problem.
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Car shakes when it is not in motion. When the car is stopped on the road, or brakes are engaged the car will violently shake. When the car engine is starting the check engine like flashes.
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TL* THE CONTACT OWNS A 2019 SUBARU ASCENT. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 10 MPH, THERE WAS AN ABNORMAL NOISE AND THE VEHICLE STALLED. THE VEHICLE WAS RESTARTED AND FUNCTIONED AS INTENDED. THE VEHICLE WAS TAKEN TO NAPLETON SUBARU DEALER (505 N PERRYVILLE RD, ROCKFORD, IL 61107 (877) 403-5984) ON SEVERAL OCCASIONS AND WAS DIAGNOSED THAT THE OVERHEAD UNIT NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE VEHICLE WAS ALSO TAKEN TO BE DIAGNOSED AT JAMESVILLE SUBARU DEALER (3519 RYAN RD, JANESVILLE, WI 53545 (608) 743-9595) WHERE THEY DIAGNOSED THAT THE STABILIZER BAR NEEDED LUBRICATION. IT WAS UNKNOWN IF THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS CONTACTED AND TWO CASE NUMBERS WERE OPENED UNDER 144125212915 AND 1-459841535478. THE FAILURE MILEAGE WAS 3,801.
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RAW GAS SMELL WHEN VEHICLE IS AT IDLE OR AFTER BEING DRIVEN FOR A BIT AND PARKED IN THE GARAGE. THE SMELL COMES THRU THE VENTS AND FILLS THE GARAGE AFTER I PARK THE VEHICLE. GAS MILEAGE IS ALSO BEING EFFECTED IT SEEMS, AND IS LOW.
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DRIVING ON FREEWAY CHECK ENGINE CAME ONLINE SUDDENLY. EYESIGHT TURNED OFF. CAR BECAME UNSTABLE, COULD NOT GO PAST 60 MPH. KIDS IN FREKING OUT. VERY UNSAFE. TOOK TO DEALERSHIP. THEY COULD NOT FIGURE OUT. I DID ONLINE RESEARCH AND FOLLOWED THESE FORUMS HTTPS://WWW.ASCENTFORUMS.COM/FORUM/137-SUBARU-ASCENT-COMPLAINTS-ISSUES-PROBLEMS/1981-CHECK-ENGINE-LIGHT-11.HTML APPARENTLY EARLY SUBARU MODELS HAD 2 BOLTS MISSING IN THE ENGINE AIRTIGHT COMPARTMENT. ATLEAST 2 OTHER PEOPLE HAVE COMPLAINED. I HAVE DRIVEN SO MANY MILES SUBARU AS NOT ISSUED A TSB AND A RECALL. I WAS PLANNING TO TAKE LEGAL ACTION AS THIS A UNSAFE THING TO DO. PLEASE PLEASE PLEASE LOOK INTO THIS. I HOPE YOU COULD ENSURE ACCOUNTABILITY AND HONESTY W/ SUBARU. I AM EXTREMELY FRUSTRATED. DID SUBARU DELIBERATELY HID THIS FROM CONSUMERS? PLEASE CHECK THIS FORUM THREAD AGAIN HTTPS://WWW.ASCENTFORUMS.COM/FORUM/137-SUBARU-ASCENT-COMPLAINTS-ISSUES-PROBLEMS/1981-CHECK-ENGINE-LIGHT-11.HTML
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My vehicle smokes when starting it. A lot of white smoke that can fill a parking lot. The smoke has a strong chemical smell.
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Clouds of smoke at startup scince car was new.
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Battery draining problem
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They have not have remedy for a long time!
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Transmission slipping especially while climbing an incline though it’s happened while on flat surface accelerating
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Fresh fuel smell from the vehicle (entering the cabin while driving and upon parking). Upon arriving home yesterday, the smell was still very strong. I went a step further and pulled the oil dipstick to check the level and to see if that's where it was originating from.
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